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11455424656 = 241363538669
BaseRepresentation
bin10101010101100101…
…11110100010010000
31002120100101212102021
422222302332202100
5141430042042111
65132413301224
7553606334344
oct125262764220
932510355367
1011455424656
11494931a105
122278494814
1311073a34b0
147a9581624
15470a4ed71
hex2aacbe890

11455424656 has 40 divisors (see below), whose sum is σ = 23908704120. Its totient is φ = 5285677056.

The previous prime is 11455424623. The next prime is 11455424663. The reversal of 11455424656 is 65642455411.

It can be written as a sum of positive squares in 4 ways, for example, as 253319056 + 11202105600 = 15916^2 + 105840^2 .

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, 1317090 + ... + 1325758.

It is an arithmetic number, because the mean of its divisors is an integer number (597717603).

Almost surely, 211455424656 is an apocalyptic number.

11455424656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11455424656 is an abundant number, since it is smaller than the sum of its proper divisors (12453279464).

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

11455424656 is a wasteful number, since it uses less digits than its factorization.

11455424656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15043 (or 15037 counting only the distinct ones).

The product of its digits is 576000, while the sum is 43.

The spelling of 11455424656 in words is "eleven billion, four hundred fifty-five million, four hundred twenty-four thousand, six hundred fifty-six".

Divisors: 1 2 4 8 13 16 26 52 104 208 6353 8669 12706 17338 25412 34676 50824 69352 82589 101648 112697 138704 165178 225394 330356 450788 660712 901576 1321424 1803152 55074157 110148314 220296628 440593256 715964041 881186512 1431928082 2863856164 5727712328 11455424656