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139641062400 = 2103352731931
BaseRepresentation
bin1000001000001101000…
…0011000010000000000
3111100102211021221221000
42002003100120100000
54241441102444100
6144052240332000
713042302306000
oct2020320302000
9440384257830
10139641062400
1154248814aa4
1223091614000
13102253c9998
146a89ab6000
15397446e900
hex2083418400

139641062400 has 2112 divisors, whose sum is σ = 649799680000. Its totient is φ = 29262643200.

The previous prime is 139641062399. The next prime is 139641062441. The reversal of 139641062400 is 4260146931.

139641062400 is a `hidden beast` number, since 1 + 3 + 9 + 641 + 0 + 6 + 2 + 4 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 4504550385 + ... + 4504550415.

Almost surely, 2139641062400 is an apocalyptic number.

139641062400 is a gapful number since it is divisible by the number (10) 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 139641062400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (324899840000).

139641062400 is an abundant number, since it is smaller than the sum of its proper divisors (510158617600).

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

139641062400 is a wasteful number, since it uses less digits than its factorization.

139641062400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110 (or 67 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The spelling of 139641062400 in words is "one hundred thirty-nine billion, six hundred forty-one million, sixty-two thousand, four hundred".