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72674463213 = 32113154743291
BaseRepresentation
bin100001110101110111…
…1000100110111101101
320221120210211020200200
41003223233010313231
52142314130310323
653215225544113
75151640513332
oct1035357046755
9227523736620
1072674463213
1128903926950
1212102645039
136b1255c771
143735cbc989
151d552ee443
hex10ebbc4ded

72674463213 has 48 divisors (see below), whose sum is σ = 118430287872. Its totient is φ = 42545412000.

The previous prime is 72674463181. The next prime is 72674463247. The reversal of 72674463213 is 31236447627.

72674463213 is a `hidden beast` number, since 7 + 2 + 6 + 7 + 4 + 4 + 632 + 1 + 3 = 666.

It is not a de Polignac number, because 72674463213 - 25 = 72674463181 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72674463263) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1657098 + ... + 1700388.

It is an arithmetic number, because the mean of its divisors is an integer number (2467297664).

Almost surely, 272674463213 is an apocalyptic number.

It is an amenable number.

72674463213 is a deficient number, since it is larger than the sum of its proper divisors (45755824659).

72674463213 is a wasteful number, since it uses less digits than its factorization.

72674463213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43886 (or 43883 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 45.

The spelling of 72674463213 in words is "seventy-two billion, six hundred seventy-four million, four hundred sixty-three thousand, two hundred thirteen".

Divisors: 1 3 9 11 31 33 93 99 279 341 547 1023 1641 3069 4923 6017 16957 18051 43291 50871 54153 129873 152613 186527 389619 476201 559581 1342021 1428603 1678743 4026063 4285809 12078189 14762231 23680177 44286693 71040531 132860079 213121593 260481947 734085487 781445841 2202256461 2344337523 6606769383 8074940357 24224821071 72674463213