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308490828268 = 22747234415523
BaseRepresentation
bin1000111110100110111…
…11000111100111101100
31002111021020220210110011
410133103133013213230
520023242123001033
6353415125023004
731200455526610
oct4372337074754
91074236823404
10308490828268
11109915037247
124b954b54a64
1323123c6524c
1410d06a95340
158057d0eccd
hex47d37c79ec

308490828268 has 24 divisors (see below), whose sum is σ = 630108928512. Its totient is φ = 129397368144.

The previous prime is 308490828229. The next prime is 308490828281. The reversal of 308490828268 is 862828094803.

It is a super-2 number, since 2×3084908282682 (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117206446 + ... + 117209077.

It is an arithmetic number, because the mean of its divisors is an integer number (26254538688).

Almost surely, 2308490828268 is an apocalyptic number.

It is an amenable number.

308490828268 is an abundant number, since it is smaller than the sum of its proper divisors (321618100244).

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

308490828268 is a wasteful number, since it uses less digits than its factorization.

308490828268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234415581 (or 234415579 counting only the distinct ones).

The product of its (nonzero) digits is 10616832, while the sum is 58.

The spelling of 308490828268 in words is "three hundred eight billion, four hundred ninety million, eight hundred twenty-eight thousand, two hundred sixty-eight".

Divisors: 1 2 4 7 14 28 47 94 188 329 658 1316 234415523 468831046 937662092 1640908661 3281817322 6563634644 11017529581 22035059162 44070118324 77122707067 154245414134 308490828268