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2142525033 = 331147153487
BaseRepresentation
bin111111110110100…
…0101011001101001
312112022112112211000
41333231011121221
513341441300113
6552333425213
7104044106445
oct17755053151
95468475730
102142525033
119aa443850
124b963b209
13281b59abc
14164799825
15c8167373
hex7fb45669

2142525033 has 32 divisors (see below), whose sum is σ = 3536363520. Its totient is φ = 1270864080.

The previous prime is 2142525023. The next prime is 2142525059. The reversal of 2142525033 is 3305252412.

It is a happy number.

It is not a de Polignac number, because 2142525033 - 212 = 2142520937 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 2142524988 and 2142525006.

It is not an unprimeable number, because it can be changed into a prime (2142525023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62785 + ... + 90702.

It is an arithmetic number, because the mean of its divisors is an integer number (110511360).

Almost surely, 22142525033 is an apocalyptic number.

It is an amenable number.

2142525033 is a deficient number, since it is larger than the sum of its proper divisors (1393838487).

2142525033 is a wasteful number, since it uses less digits than its factorization.

2142525033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153554 (or 153548 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 2142525033 is about 46287.4176531809. The cubic root of 2142525033 is about 1289.1653822468.

Adding to 2142525033 its reverse (3305252412), we get a palindrome (5447777445).

The spelling of 2142525033 in words is "two billion, one hundred forty-two million, five hundred twenty-five thousand, thirty-three".

Divisors: 1 3 9 11 27 33 47 99 141 297 423 517 1269 1551 4653 13959 153487 460461 1381383 1688357 4144149 5065071 7213889 15195213 21641667 45585639 64925001 79352779 194775003 238058337 714175011 2142525033