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74505720230 = 2531475113639
BaseRepresentation
bin100010101100011100…
…0110001000110100110
321010022102122202001122
41011120320301012212
52210041431021410
654121044053542
75245215113144
oct1053070610646
9233272582048
1074505720230
112966359a3a7
12125339942b2
137044a749b6
14386b1b0594
151e10e7de55
hex1158e311a6

74505720230 has 32 divisors (see below), whose sum is σ = 141381918720. Its totient is φ = 28227281760.

The previous prime is 74505720229. The next prime is 74505720253. The reversal of 74505720230 is 3202750547.

It is a super-2 number, since 2×745057202302 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2542250 + ... + 2571389.

It is an arithmetic number, because the mean of its divisors is an integer number (4418184960).

Almost surely, 274505720230 is an apocalyptic number.

74505720230 is a deficient number, since it is larger than the sum of its proper divisors (66876198490).

74505720230 is a wasteful number, since it uses less digits than its factorization.

74505720230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5113724.

The product of its (nonzero) digits is 58800, while the sum is 35.

The spelling of 74505720230 in words is "seventy-four billion, five hundred five million, seven hundred twenty thousand, two hundred thirty".

Divisors: 1 2 5 10 31 47 62 94 155 235 310 470 1457 2914 7285 14570 5113639 10227278 25568195 51136390 158522809 240341033 317045618 480682066 792614045 1201705165 1585228090 2403410330 7450572023 14901144046 37252860115 74505720230