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10100001208 = 23111009113749
BaseRepresentation
bin10010110100000000…
…11100100110111000
3222001212221012222211
421122000130212320
5131141100014313
64350114024504
7505200410443
oct113200344670
928055835884
1010100001208
114313207440
121b5a578134
13c4c63169b
146bb55465a
153e1a62e3d
hex25a01c9b8

10100001208 has 32 divisors (see below), whose sum is σ = 20679750000. Its totient is φ = 4586319360.

The previous prime is 10100001193. The next prime is 10100001211. The reversal of 10100001208 is 80210000101.

It is a congruent number.

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, 31918 + ... + 145666.

Almost surely, 210100001208 is an apocalyptic number.

It is an amenable number.

10100001208 is an abundant number, since it is smaller than the sum of its proper divisors (10579748792).

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

10100001208 is a wasteful number, since it uses less digits than its factorization.

10100001208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114775 (or 114771 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10100001208 its reverse (80210000101), we get a palindrome (90310001309).

The spelling of 10100001208 in words is "ten billion, one hundred million, one thousand, two hundred eight".

Divisors: 1 2 4 8 11 22 44 88 1009 2018 4036 8072 11099 22198 44396 88792 113749 227498 454996 909992 1251239 2502478 5004956 10009912 114772741 229545482 459090964 918181928 1262500151 2525000302 5050000604 10100001208