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88130131911 = 3231315878609
BaseRepresentation
bin101001000010011110…
…1110001011111000111
322102110221101120022200
41102010331301133013
52420442303210121
6104253022325543
76236642522043
oct1220475613707
9272427346280
1088130131911
1134415186568
12150b67298b3
13840660b763
1443a0839023
15245c121a26
hex1484f717c7

88130131911 has 12 divisors (see below), whose sum is σ = 131405501760. Its totient is φ = 56858149440.

The previous prime is 88130131879. The next prime is 88130131927. The reversal of 88130131911 is 11913103188.

It is not a de Polignac number, because 88130131911 - 25 = 88130131879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88130131931) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 157939026 + ... + 157939583.

It is an arithmetic number, because the mean of its divisors is an integer number (10950458480).

Almost surely, 288130131911 is an apocalyptic number.

88130131911 is a deficient number, since it is larger than the sum of its proper divisors (43275369849).

88130131911 is a wasteful number, since it uses less digits than its factorization.

88130131911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315878646 (or 315878643 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 36.

The spelling of 88130131911 in words is "eighty-eight billion, one hundred thirty million, one hundred thirty-one thousand, nine hundred eleven".

Divisors: 1 3 9 31 93 279 315878609 947635827 2842907481 9792236879 29376710637 88130131911