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155240490104 = 2372772151609
BaseRepresentation
bin1001000010010100001…
…1011110010001111000
3112211200222100222211122
42100211003132101320
510020413031140404
6155152210244412
714134001252030
oct2204503362170
9484628328748
10155240490104
115a923233a07
1226105886708
13118401a0c8b
1477297748c0
154088bdc3be
hex24250de478

155240490104 has 16 divisors (see below), whose sum is σ = 332658193200. Its totient is φ = 66531638592.

The previous prime is 155240490043. The next prime is 155240490107. The reversal of 155240490104 is 401094042551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155240490107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1386075749 + ... + 1386075860.

It is an arithmetic number, because the mean of its divisors is an integer number (20791137075).

Almost surely, 2155240490104 is an apocalyptic number.

155240490104 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

155240490104 is an abundant number, since it is smaller than the sum of its proper divisors (177417703096).

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

155240490104 is a wasteful number, since it uses less digits than its factorization.

155240490104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2772151622 (or 2772151618 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 35.

The spelling of 155240490104 in words is "one hundred fifty-five billion, two hundred forty million, four hundred ninety thousand, one hundred four".

Divisors: 1 2 4 7 8 14 28 56 2772151609 5544303218 11088606436 19405061263 22177212872 38810122526 77620245052 155240490104