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87070704141 = 3191527556213
BaseRepresentation
bin101000100010111010…
…0011000001000001101
322022202002220001122010
41101011310120020031
52411310100013031
6103555535211433
76201456526251
oct1210564301015
9268662801563
1087070704141
1133a21162823
1214a5b976b79
138297c94c15
1442ddc5c261
1523e9102246
hex1445d1820d

87070704141 has 8 divisors (see below), whose sum is σ = 122204497120. Its totient is φ = 54992023632.

The previous prime is 87070704139. The next prime is 87070704143. The reversal of 87070704141 is 14140707078.

It is an interprime number because it is at equal distance from previous prime (87070704139) and next prime (87070704143).

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

It is not a de Polignac number, because 87070704141 - 21 = 87070704139 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 87070704141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87070704143) 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, 763778050 + ... + 763778163.

It is an arithmetic number, because the mean of its divisors is an integer number (15275562140).

Almost surely, 287070704141 is an apocalyptic number.

It is an amenable number.

87070704141 is a deficient number, since it is larger than the sum of its proper divisors (35133792979).

87070704141 is a wasteful number, since it uses less digits than its factorization.

87070704141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1527556235.

The product of its (nonzero) digits is 43904, while the sum is 39.

The spelling of 87070704141 in words is "eighty-seven billion, seventy million, seven hundred four thousand, one hundred forty-one".

Divisors: 1 3 19 57 1527556213 4582668639 29023568047 87070704141