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1098437952972 = 223472138391081
BaseRepresentation
bin11111111110000000000…
…00010000010111001100
310220000021000210120001010
433333000000100113030
5120444100103443342
62200340533245220
7142234213355403
oct17770000202714
93800230716033
101098437952972
11393932651a38
12158a74793810
137c7752a03a9
143b243c5263a
151d88d79c29c
hexffc00105cc

1098437952972 has 48 divisors (see below), whose sum is σ = 2617705423872. Its totient is φ = 358334951040.

The previous prime is 1098437952947. The next prime is 1098437953001. The reversal of 1098437952972 is 2792597348901.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12014472 + ... + 12105552.

It is an arithmetic number, because the mean of its divisors is an integer number (54535529664).

Almost surely, 21098437952972 is an apocalyptic number.

1098437952972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1098437952972 is an abundant number, since it is smaller than the sum of its proper divisors (1519267470900).

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

1098437952972 is a wasteful number, since it uses less digits than its factorization.

1098437952972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112518 (or 112516 counting only the distinct ones).

The product of its (nonzero) digits is 68584320, while the sum is 66.

The spelling of 1098437952972 in words is "one trillion, ninety-eight billion, four hundred thirty-seven million, nine hundred fifty-two thousand, nine hundred seventy-two".

Divisors: 1 2 3 4 6 12 47 94 141 188 282 564 21383 42766 64149 85532 91081 128298 182162 256596 273243 364324 546486 1005001 1092972 2010002 3015003 4020004 4280807 6030006 8561614 12060012 12842421 17123228 25684842 51369684 1947585023 3895170046 5842755069 7790340092 11685510138 23371020276 91536496081 183072992162 274609488243 366145984324 549218976486 1098437952972