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130273739 = 1011289839
BaseRepresentation
bin1111100001111…
…01000111001011
3100002010120222022
413300331013023
5231322224424
620532115055
73141210551
oct760750713
9302116868
10130273739
1167599652
1237765a8b
1320cb326b
1413431bd1
15b68495e
hex7c3d1cb

130273739 has 4 divisors (see below), whose sum is σ = 131563680. Its totient is φ = 128983800.

The previous prime is 130273723. The next prime is 130273751. The reversal of 130273739 is 937372031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 130273739 - 24 = 130273723 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130273699 and 130273708.

It is not an unprimeable number, because it can be changed into a prime (130273799) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 644819 + ... + 645020.

It is an arithmetic number, because the mean of its divisors is an integer number (32890920).

Almost surely, 2130273739 is an apocalyptic number.

130273739 is a deficient number, since it is larger than the sum of its proper divisors (1289941).

130273739 is a wasteful number, since it uses less digits than its factorization.

130273739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1289940.

The product of its (nonzero) digits is 23814, while the sum is 35.

The square root of 130273739 is about 11413.7521876025. The cubic root of 130273739 is about 506.9350183268.

The spelling of 130273739 in words is "one hundred thirty million, two hundred seventy-three thousand, seven hundred thirty-nine".

Divisors: 1 101 1289839 130273739