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1055196881 = 19119312861
BaseRepresentation
bin111110111001010…
…000011011010001
32201112112112222222
4332321100123101
54130112300011
6252412310425
735102011514
oct7671203321
92645475888
101055196881
114a16a4042
12255472415
1313a7c4b6b
14a01d8d7b
1562985ddb
hex3ee506d1

1055196881 has 8 divisors (see below), whose sum is σ = 1061641728. Its totient is φ = 1048762000.

The previous prime is 1055196847. The next prime is 1055196889. The reversal of 1055196881 is 1886915501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1055196881 - 210 = 1055195857 is a prime.

It is a super-2 number, since 2×10551968812 = 2226880915344256322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1055196889) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 367391 + ... + 370251.

It is an arithmetic number, because the mean of its divisors is an integer number (132705216).

Almost surely, 21055196881 is an apocalyptic number.

It is an amenable number.

1055196881 is a deficient number, since it is larger than the sum of its proper divisors (6444847).

1055196881 is a wasteful number, since it uses less digits than its factorization.

1055196881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4983.

The product of its (nonzero) digits is 86400, while the sum is 44.

The square root of 1055196881 is about 32483.7941287652. The cubic root of 1055196881 is about 1018.0704521755.

The spelling of 1055196881 in words is "one billion, fifty-five million, one hundred ninety-six thousand, eight hundred eighty-one".

Divisors: 1 191 1931 2861 368821 546451 5524591 1055196881