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72498174751396 = 22172223211232
BaseRepresentation
bin10000011110111111001011…
…111100111111001010100100
3100111200202110110011002122001
4100132333023330333022210
534000302230214021041
6414105111322215044
721161551232454112
oct2036771374771244
9314622413132561
1072498174751396
1121111337695089
12816a770054484
13315b7191c8684
1413c8d04d6cab2
1585ac9d262131
hex41efcbf3f2a4

72498174751396 has 81 divisors (see below), whose sum is σ = 135501593510241. Its totient is φ = 33933554227584.

The previous prime is 72498174751279. The next prime is 72498174751399. The reversal of 72498174751396 is 69315747189427.

The square root of 72498174751396 is 8514586.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 56443215636900 + 16054959114496 = 7512870^2 + 4006864^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72498174751399) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 64557590491 + ... + 64557591613.

Almost surely, 272498174751396 is an apocalyptic number.

72498174751396 is the 8514586-th square number.

It is an amenable number.

72498174751396 is a deficient number, since it is larger than the sum of its proper divisors (63003418758845).

72498174751396 is an equidigital number, since it uses as much as digits as its factorization.

72498174751396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2730 (or 1365 counting only the distinct ones).

The product of its digits is 640120320, while the sum is 73.

The spelling of 72498174751396 in words is "seventy-two trillion, four hundred ninety-eight billion, one hundred seventy-four million, seven hundred fifty-one thousand, three hundred ninety-six".

Divisors: 1 2 4 17 34 68 223 289 446 578 892 1123 1156 2246 3791 4492 7582 15164 19091 38182 49729 64447 76364 99458 128894 198916 250429 257788 324547 500858 649094 845393 1001716 1261129 1298188 1690786 2522258 3381572 4257293 5044516 8514586 14371681 17029172 21439193 28743362 42878386 55845667 57486724 72373981 85756772 111691334 144747962 223382668 281231767 289495924 364466281 562463534 728932562 949376339 1124927068 1457865124 1898752678 3797505356 4780940039 9561880078 16139397763 19123760156 32278795526 62714684041 64557591052 81275980663 125429368082 162551961326 250858736164 325103922652 1066149628697 2132299257394 4264598514788 18124543687849 36249087375698 72498174751396