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10861954852 = 227297571321
BaseRepresentation
bin10100001110110110…
…00100011100100100
31001000222200110220011
422013123010130210
5134221130023402
64553453220004
7533112043600
oct120733043444
931028613804
1010861954852
1146743214a1
122131791604
131041453028
14750818500
154388c1ed7
hex2876c4724

10861954852 has 36 divisors (see below), whose sum is σ = 22339832844. Its totient is φ = 4607124480.

The previous prime is 10861954841. The next prime is 10861954877. The reversal of 10861954852 is 25845916801.

It can be written as a sum of positive squares in 2 ways, for example, as 8670216996 + 2191737856 = 93114^2 + 46816^2 .

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a junction number, because it is equal to n+sod(n) for n = 10861954796 and 10861954805.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 266649 + ... + 304672.

Almost surely, 210861954852 is an apocalyptic number.

It is an amenable number.

10861954852 is an abundant number, since it is smaller than the sum of its proper divisors (11477877992).

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

10861954852 is a wasteful number, since it uses less digits than its factorization.

10861954852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571436 (or 571427 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 49.

The spelling of 10861954852 in words is "ten billion, eight hundred sixty-one million, nine hundred fifty-four thousand, eight hundred fifty-two".

Divisors: 1 2 4 7 14 28 49 97 98 194 196 388 679 1358 2716 4753 9506 19012 571321 1142642 2285284 3999247 7998494 15996988 27994729 55418137 55989458 110836274 111978916 221672548 387926959 775853918 1551707836 2715488713 5430977426 10861954852