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10005631768 = 23111033493163
BaseRepresentation
bin10010101000110000…
…11101001100011000
3221211022100202110101
421110120131030120
5130442420204033
64332503225144
7502643316046
oct112430351430
927738322411
1010005631768
114274a11270
121b32a481b4
13c35c0c992
146acbcb396
153d862197d
hex25461d318

10005631768 has 64 divisors (see below), whose sum is σ = 20730528000. Its totient is φ = 4489534080.

The previous prime is 10005631763. The next prime is 10005631807. The reversal of 10005631768 is 86713650001.

It is a super-2 number, since 2×100056317682 (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10005631763) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3161755 + ... + 3164917.

It is an arithmetic number, because the mean of its divisors is an integer number (323914500).

Almost surely, 210005631768 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10005631768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10365264000).

10005631768 is an abundant number, since it is smaller than the sum of its proper divisors (10724896232).

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

10005631768 is a wasteful number, since it uses less digits than its factorization.

10005631768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3632 (or 3628 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 37.

The spelling of 10005631768 in words is "ten billion, five million, six hundred thirty-one thousand, seven hundred sixty-eight".

Divisors: 1 2 4 8 11 22 44 88 103 206 349 412 698 824 1133 1396 2266 2792 3163 3839 4532 6326 7678 9064 12652 15356 25304 30712 34793 35947 69586 71894 139172 143788 278344 287576 325789 395417 651578 790834 1103887 1303156 1581668 2207774 2606312 3163336 3583679 4415548 7167358 8831096 12142757 14334716 24285514 28669432 48571028 97142056 113700361 227400722 454801444 909602888 1250703971 2501407942 5002815884 10005631768