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10861893900 = 2232521113372281
BaseRepresentation
bin10100001110110101…
…10101100100001100
31001000222120101021200
422013122311210030
5134221121101100
64553452025500
7533111401104
oct120732654414
931028511250
1010861893900
11467428a720
122131762290
131041431370
14750800204
154388ade00
hex2876b590c

10861893900 has 432 divisors, whose sum is σ = 41097140448. Its totient is φ = 2363904000.

The previous prime is 10861893877. The next prime is 10861893919. The reversal of 10861893900 is 939816801.

10861893900 is a `hidden beast` number, since 1 + 0 + 86 + 189 + 390 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 4760760 + ... + 4763040.

Almost surely, 210861893900 is an apocalyptic number.

10861893900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10861893900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20548570224).

10861893900 is an abundant number, since it is smaller than the sum of its proper divisors (30235246548).

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

10861893900 is a wasteful number, since it uses less digits than its factorization.

10861893900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2362 (or 2352 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 45.

The spelling of 10861893900 in words is "ten billion, eight hundred sixty-one million, eight hundred ninety-three thousand, nine hundred".