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345291900668 = 221113603657169
BaseRepresentation
bin1010000011001010000…
…00000100011011111100
31020000020222121222020122
411001211000010123330
521124124211310133
6422342551434112
733642440505101
oct5014500043374
91200228558218
10345291900668
1112348a304670
1256b05685938
132673a363130
14129d8476aa8
158eada5b498
hex50650046fc

345291900668 has 24 divisors (see below), whose sum is σ = 709900831920. Its totient is φ = 144877720320.

The previous prime is 345291900661. The next prime is 345291900683. The reversal of 345291900668 is 866009192543.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345291900661) 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, 301828013 + ... + 301829156.

It is an arithmetic number, because the mean of its divisors is an integer number (29579201330).

Almost surely, 2345291900668 is an apocalyptic number.

It is an amenable number.

345291900668 is an abundant number, since it is smaller than the sum of its proper divisors (364608931252).

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

345291900668 is a wasteful number, since it uses less digits than its factorization.

345291900668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603657197 (or 603657195 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 53.

The spelling of 345291900668 in words is "three hundred forty-five billion, two hundred ninety-one million, nine hundred thousand, six hundred sixty-eight".

Divisors: 1 2 4 11 13 22 26 44 52 143 286 572 603657169 1207314338 2414628676 6640228859 7847543197 13280457718 15695086394 26560915436 31390172788 86322975167 172645950334 345291900668