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345127383090 = 234571719316079
BaseRepresentation
bin1010000010110110011…
…00011111000000110010
31012222211112001121120000
411001123030133000302
521123310102224330
6422314353330430
733635402232030
oct5013314370062
91188745047500
10345127383090
11123405457126
1256a7a566a16
1326712250359
14129c068d550
158e9e3b0560
hex505b31f032

345127383090 has 640 divisors, whose sum is σ = 1220404838400. Its totient is φ = 68058040320.

The previous prime is 345127383079. The next prime is 345127383113. The reversal of 345127383090 is 90383721543.

345127383090 is a `hidden beast` number, since 34 + 512 + 73 + 8 + 30 + 9 + 0 = 666.

It is a super-2 number, since 2×3451273830902 (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 56770671 + ... + 56776749.

It is an arithmetic number, because the mean of its divisors is an integer number (1906882560).

Almost surely, 2345127383090 is an apocalyptic number.

345127383090 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 345127383090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (610202419200).

345127383090 is an abundant number, since it is smaller than the sum of its proper divisors (875277455310).

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

345127383090 is a wasteful number, since it uses less digits than its factorization.

345127383090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6172 (or 6163 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The spelling of 345127383090 in words is "three hundred forty-five billion, one hundred twenty-seven million, three hundred eighty-three thousand, ninety".