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2550155870 = 251913421873
BaseRepresentation
bin1001100000000000…
…0100101001011110
320120201120100012102
42120000010221132
520210314441440
61101014405102
7120123652523
oct23000045136
96521510172
102550155870
111099550939
125b2060792
13318440792
141a298914a
15edd36b15
hex98004a5e

2550155870 has 16 divisors (see below), whose sum is σ = 4831874640. Its totient is φ = 966374784.

The previous prime is 2550155831. The next prime is 2550155953. The reversal of 2550155870 is 785510552.

It is a super-2 number, since 2×25501558702 = 13006589922590913800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6710747 + ... + 6711126.

It is an arithmetic number, because the mean of its divisors is an integer number (301992165).

Almost surely, 22550155870 is an apocalyptic number.

2550155870 is a deficient number, since it is larger than the sum of its proper divisors (2281718770).

2550155870 is a wasteful number, since it uses less digits than its factorization.

2550155870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13421899.

The product of its (nonzero) digits is 70000, while the sum is 38.

The square root of 2550155870 is about 50499.0680112019. The cubic root of 2550155870 is about 1366.2250439714.

The spelling of 2550155870 in words is "two billion, five hundred fifty million, one hundred fifty-five thousand, eight hundred seventy".

Divisors: 1 2 5 10 19 38 95 190 13421873 26843746 67109365 134218730 255015587 510031174 1275077935 2550155870