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212945871034 = 213127263245209
BaseRepresentation
bin1100011001010010010…
…0000010000010111010
3202100122120020001222101
43012110210002002322
511442103120333114
6241454225014014
721245666016151
oct3062444020272
9670576201871
10212945871034
1182345435776
123532b18430a
131710841b2b0
14a44159a598
155814c82d74
hex31949020ba

212945871034 has 32 divisors (see below), whose sum is σ = 348017725440. Its totient is φ = 97137677952.

The previous prime is 212945871031. The next prime is 212945871043. The reversal of 212945871034 is 430178549212.

It is not an unprimeable number, because it can be changed into a prime (212945871031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 745822 + ... + 991030.

It is an arithmetic number, because the mean of its divisors is an integer number (10875553920).

Almost surely, 2212945871034 is an apocalyptic number.

212945871034 is a deficient number, since it is larger than the sum of its proper divisors (135071854406).

212945871034 is a wasteful number, since it uses less digits than its factorization.

212945871034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245614.

The product of its (nonzero) digits is 483840, while the sum is 46.

The spelling of 212945871034 in words is "two hundred twelve billion, nine hundred forty-five million, eight hundred seventy-one thousand, thirty-four".

Divisors: 1 2 13 26 127 254 263 526 1651 3302 3419 6838 33401 66802 245209 434213 490418 868426 3187717 6375434 31141543 62283086 64489967 128979934 404840059 809680118 838369571 1676739142 8190225809 16380451618 106472935517 212945871034