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70074434040 = 23351344919509
BaseRepresentation
bin100000101000011000…
…0110000000111111000
320200212121102002011220
41001100300300013320
52122003023342130
652105230152040
75030336601342
oct1012060600770
9220777362156
1070074434040
112779a211506
12116b7952620
1367b99a9470
14356a870292
151c51e15410
hex1050c301f8

70074434040 has 64 divisors (see below), whose sum is σ = 226394330400. Its totient is φ = 17249091072.

The previous prime is 70074433981. The next prime is 70074434047. The reversal of 70074434040 is 4043447007.

It is a junction number, because it is equal to n+sod(n) for n = 70074433992 and 70074434010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70074434047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22458195 + ... + 22461314.

Almost surely, 270074434040 is an apocalyptic number.

It is an amenable number.

70074434040 is an abundant number, since it is smaller than the sum of its proper divisors (156319896360).

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

70074434040 is a wasteful number, since it uses less digits than its factorization.

70074434040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44919536 (or 44919532 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 33.

The spelling of 70074434040 in words is "seventy billion, seventy-four million, four hundred thirty-four thousand, forty".

Divisors: 1 2 3 4 5 6 8 10 12 13 15 20 24 26 30 39 40 52 60 65 78 104 120 130 156 195 260 312 390 520 780 1560 44919509 89839018 134758527 179678036 224597545 269517054 359356072 449195090 539034108 583953617 673792635 898390180 1078068216 1167907234 1347585270 1751860851 1796780360 2335814468 2695170540 2919768085 3503721702 4671628936 5390341080 5839536170 7007443404 8759304255 11679072340 14014886808 17518608510 23358144680 35037217020 70074434040