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10100728224 = 2532122928537
BaseRepresentation
bin10010110100000110…
…01110000110100000
3222001221022011021100
421122003032012200
5131141241300344
64350141354400
7505206526146
oct113203160640
928057264240
1010100728224
114313663684
121b5a868a00
13c4c827582
146bb6a3596
153e1b58569
hex25a0ce1a0

10100728224 has 72 divisors (see below), whose sum is σ = 28748325060. Its totient is φ = 3364051968.

The previous prime is 10100728207. The next prime is 10100728229. The reversal of 10100728224 is 42282700101.

It can be written as a sum of positive squares in 2 ways, for example, as 9946471824 + 154256400 = 99732^2 + 12420^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×101007282242 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10100728229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 339684 + ... + 368220.

Almost surely, 210100728224 is an apocalyptic number.

It is an amenable number.

10100728224 is an abundant number, since it is smaller than the sum of its proper divisors (18647596836).

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

10100728224 is a wasteful number, since it uses less digits than its factorization.

10100728224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29782 (or 29771 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The spelling of 10100728224 in words is "ten billion, one hundred million, seven hundred twenty-eight thousand, two hundred twenty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 72 96 144 288 1229 2458 3687 4916 7374 9832 11061 14748 19664 22122 28537 29496 39328 44244 57074 58992 85611 88488 114148 117984 171222 176976 228296 256833 342444 353952 456592 513666 684888 913184 1027332 1369776 2054664 2739552 4109328 8218656 35071973 70143946 105215919 140287892 210431838 280575784 315647757 420863676 561151568 631295514 841727352 1122303136 1262591028 1683454704 2525182056 3366909408 5050364112 10100728224