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88947031044 = 22337643311557
BaseRepresentation
bin101001011010110100…
…1111111110000000100
322111120212112100021010
41102311221333300010
52424130414443134
6104510043322220
76266122201134
oct1226551776004
9274525470233
1088947031044
11347a4309a13
12152a4220370
13850692a521
14443b122ac4
1524a8bd5ce9
hex14b5a7fc04

88947031044 has 48 divisors (see below), whose sum is σ = 213484526528. Its totient is φ = 28802729088.

The previous prime is 88947030979. The next prime is 88947031067. The reversal of 88947031044 is 44013074988.

It is a super-3 number, since 3×889470310443 (a number of 34 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 88947030984 and 88947031002.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 129714 + ... + 441270.

Almost surely, 288947031044 is an apocalyptic number.

It is an amenable number.

88947031044 is an abundant number, since it is smaller than the sum of its proper divisors (124537495484).

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

88947031044 is a wasteful number, since it uses less digits than its factorization.

88947031044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312244 (or 312242 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 48.

The spelling of 88947031044 in words is "eighty-eight billion, nine hundred forty-seven million, thirty-one thousand, forty-four".

Divisors: 1 2 3 4 6 12 37 74 111 148 222 444 643 1286 1929 2572 3858 7716 23791 47582 71373 95164 142746 285492 311557 623114 934671 1246228 1869342 3738684 11527609 23055218 34582827 46110436 69165654 138331308 200331151 400662302 600993453 801324604 1201986906 2403973812 7412252587 14824505174 22236757761 29649010348 44473515522 88947031044