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672204888412 = 22235771298779
BaseRepresentation
bin10011100100000101000…
…10001001100101011100
32101021002010002102122121
421302002202021211130
542003133422412122
61232450123352324
766364602163531
oct11620242114534
92337063072577
10672204888412
1123a0981539a2
12aa3400826a4
134b508b28555
142476ba4ad88
1512743d13bc7
hex9c8288995c

672204888412 has 12 divisors (see below), whose sum is σ = 1176857662680. Its totient is φ = 335959841936.

The previous prime is 672204888401. The next prime is 672204888427. The reversal of 672204888412 is 214888402276.

It is a self number, because there is not a number n which added to its sum of digits gives 672204888412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35639962 + ... + 35658817.

It is an arithmetic number, because the mean of its divisors is an integer number (98071471890).

Almost surely, 2672204888412 is an apocalyptic number.

It is an amenable number.

672204888412 is a deficient number, since it is larger than the sum of its proper divisors (504652774268).

672204888412 is a wasteful number, since it uses less digits than its factorization.

672204888412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71301140 (or 71301138 counting only the distinct ones).

The product of its (nonzero) digits is 2752512, while the sum is 52.

The spelling of 672204888412 in words is "six hundred seventy-two billion, two hundred four million, eight hundred eighty-eight thousand, four hundred twelve".

Divisors: 1 2 4 2357 4714 9428 71298779 142597558 285195116 168051222103 336102444206 672204888412