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307064489956 = 2272395812
BaseRepresentation
bin1000111011111100111…
…10000100011111100100
31002100120212000022010021
410131332132010133210
520012332002134311
6353021413404524
731120226046100
oct4357636043744
91070525008107
10307064489956
11109252999154
124b617339744
1322c575c4393
1410c0d488900
157ec29b6171
hex477e7847e4

307064489956 has 27 divisors (see below), whose sum is σ = 625111362057. Its totient is φ = 131595742320.

The previous prime is 307064489939. The next prime is 307064489959. The reversal of 307064489956 is 659984460703.

The square root of 307064489956 is 554134.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 208543835556 + 98520654400 = 456666^2 + 313880^2 .

It is a junction number, because it is equal to n+sod(n) for n = 307064489894 and 307064489903.

It is not an unprimeable number, because it can be changed into a prime (307064489959) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 7738086 + ... + 7777666.

Almost surely, 2307064489956 is an apocalyptic number.

307064489956 is the 554134-th square number.

It is an amenable number.

307064489956 is an abundant number, since it is smaller than the sum of its proper divisors (318046872101).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

307064489956 is an frugal number, since it uses more digits than its factorization.

307064489956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79180 (or 39590 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 61.

The spelling of 307064489956 in words is "three hundred seven billion, sixty-four million, four hundred eighty-nine thousand, nine hundred fifty-six".

Divisors: 1 2 4 7 14 28 49 98 196 39581 79162 158324 277067 554134 1108268 1939469 3878938 7757876 1566655561 3133311122 6266622244 10966588927 21933177854 43866355708 76766122489 153532244978 307064489956