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87022101051 = 3222343359293
BaseRepresentation
bin101000100001011101…
…0111110001000111011
322022121201102202201200
41101002322332020323
52411210124213201
6103551041345243
76200326440264
oct1210272761073
9268551382650
1087022101051
11339a6786586
1214a47638223
13828aba85b2
1442d760996b
1523e4c01386
hex1442ebe23b

87022101051 has 12 divisors (see below), whose sum is σ = 126262264128. Its totient is φ = 57754576944.

The previous prime is 87022101011. The next prime is 87022101079. The reversal of 87022101051 is 15010122078.

It is not a de Polignac number, because 87022101051 - 27 = 87022100923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87022101011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21677640 + ... + 21681653.

It is an arithmetic number, because the mean of its divisors is an integer number (10521855344).

Almost surely, 287022101051 is an apocalyptic number.

87022101051 is a deficient number, since it is larger than the sum of its proper divisors (39240163077).

87022101051 is a wasteful number, since it uses less digits than its factorization.

87022101051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43359522 (or 43359519 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 27.

The spelling of 87022101051 in words is "eighty-seven billion, twenty-two million, one hundred one thousand, fifty-one".

Divisors: 1 3 9 223 669 2007 43359293 130077879 390233637 9669122339 29007367017 87022101051