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7212856040652 = 2232362325444327
BaseRepresentation
bin110100011110101111110…
…1110001101110011001100
3221112112122100011012020110
41220331133232031303030
51421133412121300102
623201312413120020
71343053203521253
oct150753756156314
927475570135213
107212856040652
112330a56218129
12985a96a89010
13404228253c42
141ad1658cb79a
15c795263a86c
hex68f5fb8dccc

7212856040652 has 24 divisors (see below), whose sum is σ = 16830710530816. Its totient is φ = 2404183475088.

The previous prime is 7212856040651. The next prime is 7212856040659. The reversal of 7212856040652 is 2560406582127.

It is not an unprimeable number, because it can be changed into a prime (7212856040651) 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, 12438688 + ... + 13005639.

Almost surely, 27212856040652 is an apocalyptic number.

It is an amenable number.

7212856040652 is an abundant number, since it is smaller than the sum of its proper divisors (9617854490164).

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

7212856040652 is a wasteful number, since it uses less digits than its factorization.

7212856040652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25467957 (or 25467955 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 48.

The spelling of 7212856040652 in words is "seven trillion, two hundred twelve billion, eight hundred fifty-six million, forty thousand, six hundred fifty-two".

Divisors: 1 2 3 4 6 12 23623 47246 70869 94492 141738 283476 25444327 50888654 76332981 101777308 152665962 305331924 601071336721 1202142673442 1803214010163 2404285346884 3606428020326 7212856040652