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10018951992 = 2333728211153
BaseRepresentation
bin10010101010010110…
…10001001100111000
3221212020102111101000
421111023101030320
5131004322430432
64334100525000
7503164454400
oct112513211470
927766374330
1010018951992
114281489a15
121b373b0760
13c388c487a
146b0897800
153d98a357c
hex2552d1338

10018951992 has 192 divisors, whose sum is σ = 32441709600. Its totient is φ = 2856591360.

The previous prime is 10018951981. The next prime is 10018952033. The reversal of 10018951992 is 29915981001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8688888 + ... + 8690040.

Almost surely, 210018951992 is an apocalyptic number.

10018951992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10018951992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16220854800).

10018951992 is an abundant number, since it is smaller than the sum of its proper divisors (22422757608).

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

10018951992 is a wasteful number, since it uses less digits than its factorization.

10018951992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2003 (or 1986 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 45.

The spelling of 10018951992 in words is "ten billion, eighteen million, nine hundred fifty-one thousand, nine hundred ninety-two".