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345991240270 = 25132661471079
BaseRepresentation
bin1010000100011101010…
…11110101101001001110
31020002001201120002211101
411002032223311221032
521132042224142040
6422540213013314
733665662006054
oct5021653655116
91202051502741
10345991240270
11123809042885
125707b92423a
132681c200a50
1412a632bc1d4
15900014d09a
hex508eaf5a4e

345991240270 has 16 divisors (see below), whose sum is σ = 670690712160. Its totient is φ = 127750611744.

The previous prime is 345991240261. The next prime is 345991240271. The reversal of 345991240270 is 72042199543.

It is a self number, because there is not a number n which added to its sum of digits gives 345991240270.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345991240271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1330735410 + ... + 1330735669.

It is an arithmetic number, because the mean of its divisors is an integer number (41918169510).

Almost surely, 2345991240270 is an apocalyptic number.

345991240270 is a deficient number, since it is larger than the sum of its proper divisors (324699471890).

345991240270 is a wasteful number, since it uses less digits than its factorization.

345991240270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2661471099.

The product of its (nonzero) digits is 544320, while the sum is 46.

The spelling of 345991240270 in words is "three hundred forty-five billion, nine hundred ninety-one million, two hundred forty thousand, two hundred seventy".

Divisors: 1 2 5 10 13 26 65 130 2661471079 5322942158 13307355395 26614710790 34599124027 69198248054 172995620135 345991240270