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307632267272 = 23112178272
BaseRepresentation
bin1000111101000000100…
…11111110000000001000
31002102001102101101011202
410132200103332000020
520020012330023042
6353154015043332
731140262061411
oct4364023760010
91072042341152
10307632267272
11109514438700
124b755510548
132301811a3a5
1410c64a44808
15800776b632
hex47a04fe008

307632267272 has 36 divisors (see below), whose sum is σ = 634050415215. Its totient is φ = 139825004880.

The previous prime is 307632267269. The next prime is 307632267277. The reversal of 307632267272 is 272762236703.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 153816133636 + 153816133636 = 392194^2 + 392194^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=392194.

It is a super-2 number, since 2×3076322672722 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (307632267277) 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, 17247623 + ... + 17265449.

Almost surely, 2307632267272 is an apocalyptic number.

It is an amenable number.

307632267272 is an abundant number, since it is smaller than the sum of its proper divisors (326418147943).

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

307632267272 is an frugal number, since it uses more digits than its factorization.

307632267272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35682 (or 17840 counting only the distinct ones).

The product of its (nonzero) digits is 1778112, while the sum is 47.

The spelling of 307632267272 in words is "three hundred seven billion, six hundred thirty-two million, two hundred sixty-seven thousand, two hundred seventy-two".

Divisors: 1 2 4 8 11 22 44 88 121 242 484 968 17827 35654 71308 142616 196097 392194 784388 1568776 2157067 4314134 8628268 17256536 317801929 635603858 1271207716 2542415432 3495821219 6991642438 13983284876 27966569752 38454033409 76908066818 153816133636 307632267272