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190899700992 = 28347111317541
BaseRepresentation
bin1011000111001010000…
…0100100010100000000
3200020202010110121010000
42301302200210110000
511111430310412432
6223410443040000
716535446454010
oct2616240442400
9606663417100
10190899700992
1173a619a4930
1230bb7b10000
1315003b52270
14934d63bc40
154e7458457c
hex2c72824500

190899700992 has 1440 divisors, whose sum is σ = 810732029184. Its totient is φ = 42998169600.

The previous prime is 190899700987. The next prime is 190899701071. The reversal of 190899700992 is 299007998091.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 352864242 + ... + 352864782.

Almost surely, 2190899700992 is an apocalyptic number.

190899700992 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 190899700992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (405366014592).

190899700992 is an abundant number, since it is smaller than the sum of its proper divisors (619832328192).

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

190899700992 is a wasteful number, since it uses less digits than its factorization.

190899700992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617 (or 594 counting only the distinct ones).

The product of its (nonzero) digits is 6613488, while the sum is 63.

The spelling of 190899700992 in words is "one hundred ninety billion, eight hundred ninety-nine million, seven hundred thousand, nine hundred ninety-two".