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10971141538 = 2719419971009
BaseRepresentation
bin10100011011110111…
…00101010110100010
31001022121010201212111
422031323211112202
5134432103012123
65012353345534
7535606110250
oct121573452642
931277121774
1010971141538
11471aa18025
1221622682aa
13105ac62136
1476111b5d0
1544328d90d
hex28dee55a2

10971141538 has 64 divisors (see below), whose sum is σ = 20320876800. Its totient is φ = 4337141760.

The previous prime is 10971141529. The next prime is 10971141581. The reversal of 10971141538 is 83514117901.

It is a super-4 number, since 4×109711415384 (a number of 41 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10971141538.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10872778 + ... + 10873786.

It is an arithmetic number, because the mean of its divisors is an integer number (317513700).

Almost surely, 210971141538 is an apocalyptic number.

10971141538 is a deficient number, since it is larger than the sum of its proper divisors (9349735262).

10971141538 is a wasteful number, since it uses less digits than its factorization.

10971141538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2075.

The product of its (nonzero) digits is 30240, while the sum is 40.

The spelling of 10971141538 in words is "ten billion, nine hundred seventy-one million, one hundred forty-one thousand, five hundred thirty-eight".

Divisors: 1 2 7 14 19 38 41 82 133 266 287 574 779 997 1009 1558 1994 2018 5453 6979 7063 10906 13958 14126 18943 19171 37886 38342 40877 41369 81754 82738 132601 134197 265202 268394 286139 289583 572278 579166 776663 786011 1005973 1553326 1572022 2011946 5436641 5502077 7041811 10873282 11004154 14083622 19113487 38226974 41244893 82489786 133794409 267588818 288714251 577428502 783652967 1567305934 5485570769 10971141538