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130768052 = 22122326731
BaseRepresentation
bin1111100101101…
…01110010110100
3100010001201001012
413302311302310
5231434034202
620550451352
73145336652
oct762656264
9303051035
10130768052
11678a6a78
1237963b58
132112725c
141351ddd2
15b731152
hex7cb5cb4

130768052 has 12 divisors (see below), whose sum is σ = 229039776. Its totient is φ = 65328120.

The previous prime is 130768049. The next prime is 130768061. The reversal of 130768052 is 250867031.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8474 + ... + 18257.

It is an arithmetic number, because the mean of its divisors is an integer number (19086648).

Almost surely, 2130768052 is an apocalyptic number.

It is an amenable number.

130768052 is a deficient number, since it is larger than the sum of its proper divisors (98271724).

130768052 is a wasteful number, since it uses less digits than its factorization.

130768052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27958 (or 27956 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 130768052 is about 11435.3859576317. The cubic root of 130768052 is about 507.5753834974.

The spelling of 130768052 in words is "one hundred thirty million, seven hundred sixty-eight thousand, fifty-two".

Divisors: 1 2 4 1223 2446 4892 26731 53462 106924 32692013 65384026 130768052