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11311908632 = 2319720273541
BaseRepresentation
bin10101000100011111…
…00000011100011000
31002012100100111102222
422202033200130120
5141131322034012
65110245243212
7550214431313
oct124217403430
932170314388
1011311908632
114885306422
122238403508
1310b373497b
147944a397a
15463151972
hex2a23e0718

11311908632 has 32 divisors (see below), whose sum is σ = 21334032720. Its totient is φ = 5622879360.

The previous prime is 11311908631. The next prime is 11311908659. The reversal of 11311908632 is 23680911311.

It is a super-2 number, since 2×113119086322 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11311908592 and 11311908601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11311908631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3192782 + ... + 3196322.

Almost surely, 211311908632 is an apocalyptic number.

It is an amenable number.

11311908632 is a deficient number, since it is larger than the sum of its proper divisors (10022124088).

11311908632 is a wasteful number, since it uses less digits than its factorization.

11311908632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5771 (or 5767 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 35.

The spelling of 11311908632 in words is "eleven billion, three hundred eleven million, nine hundred eight thousand, six hundred thirty-two".

Divisors: 1 2 4 8 197 394 788 1576 2027 3541 4054 7082 8108 14164 16216 28328 399319 697577 798638 1395154 1597276 2790308 3194552 5580616 7177607 14355214 28710428 57420856 1413988579 2827977158 5655954316 11311908632