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345808278970 = 25711449101661
BaseRepresentation
bin1010000100000111100…
…01111001010110111010
31020001120222021201002221
411002003301321112322
521131203404411340
6422510115314254
733661310605150
oct5020361712672
91201528251087
10345808278970
111237248382a0
125702a5ab98a
13267c033101b
1412a46c933d0
158ede05c44a
hex5083c795ba

345808278970 has 32 divisors (see below), whose sum is σ = 776047671936. Its totient is φ = 107784398400.

The previous prime is 345808278967. The next prime is 345808279001. The reversal of 345808278970 is 79872808543.

It is a junction number, because it is equal to n+sod(n) for n = 345808278899 and 345808278908.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 224550061 + ... + 224551600.

It is an arithmetic number, because the mean of its divisors is an integer number (24251489748).

Almost surely, 2345808278970 is an apocalyptic number.

345808278970 is an abundant number, since it is smaller than the sum of its proper divisors (430239392966).

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

345808278970 is a wasteful number, since it uses less digits than its factorization.

345808278970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449101686.

The product of its (nonzero) digits is 27095040, while the sum is 61.

The spelling of 345808278970 in words is "three hundred forty-five billion, eight hundred eight million, two hundred seventy-eight thousand, nine hundred seventy".

Divisors: 1 2 5 7 10 11 14 22 35 55 70 77 110 154 385 770 449101661 898203322 2245508305 3143711627 4491016610 4940118271 6287423254 9880236542 15718558135 24700591355 31437116270 34580827897 49401182710 69161655794 172904139485 345808278970