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38890740054 = 2323712733779
BaseRepresentation
bin100100001110000100…
…011001100101010110
310201101100210021220210
4210032010121211112
51114122012140204
625511031310250
72544514556535
oct441604314526
9121340707823
1038890740054
1115547899691
12765451b386
13388a30bb2a
141c4d13c31c
151029422389
hex90e119956

38890740054 has 16 divisors (see below), whose sum is σ = 77814313920. Its totient is φ = 12958107720.

The previous prime is 38890740019. The next prime is 38890740079. The reversal of 38890740054 is 45004709883.

It is a junction number, because it is equal to n+sod(n) for n = 38890739985 and 38890740012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1352664 + ... + 1381115.

It is an arithmetic number, because the mean of its divisors is an integer number (4863394620).

Almost surely, 238890740054 is an apocalyptic number.

38890740054 is an abundant number, since it is smaller than the sum of its proper divisors (38923573866).

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

38890740054 is a wasteful number, since it uses less digits than its factorization.

38890740054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2736155.

The product of its (nonzero) digits is 967680, while the sum is 48.

The spelling of 38890740054 in words is "thirty-eight billion, eight hundred ninety million, seven hundred forty thousand, fifty-four".

Divisors: 1 2 3 6 2371 4742 7113 14226 2733779 5467558 8201337 16402674 6481790009 12963580018 19445370027 38890740054