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1000109957 = 71131740973
BaseRepresentation
bin111011100111000…
…111011110000101
32120200212211221112
4323213013132011
54022012004312
6243123454405
733532536320
oct7347073605
92520784845
101000109957
11473599460
1223ab27405
1312c278252
1496b797b7
155cc03d22
hex3b9c7785

1000109957 has 16 divisors (see below), whose sum is σ = 1250854272. Its totient is φ = 776829120.

The previous prime is 1000109951. The next prime is 1000109959. The reversal of 1000109957 is 7599010001.

It is a cyclic number.

It is not a de Polignac number, because 1000109957 - 26 = 1000109893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000109951) 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, 3923 + ... + 44895.

It is an arithmetic number, because the mean of its divisors is an integer number (78178392).

Almost surely, 21000109957 is an apocalyptic number.

It is an amenable number.

1000109957 is a deficient number, since it is larger than the sum of its proper divisors (250744315).

1000109957 is a wasteful number, since it uses less digits than its factorization.

1000109957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41308.

The product of its (nonzero) digits is 2835, while the sum is 32.

The square root of 1000109957 is about 31624.5151267178. The cubic root of 1000109957 is about 1000.0366509900.

Adding to 1000109957 its reverse (7599010001), we get a palindrome (8599119958).

The spelling of 1000109957 in words is "one billion, one hundred nine thousand, nine hundred fifty-seven".

Divisors: 1 7 11 77 317 2219 3487 24409 40973 286811 450703 3154921 12988441 90919087 142872851 1000109957