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72975180190 = 251114930714503
BaseRepresentation
bin100001111110110101…
…0001110000110011110
320222100202200020211111
41003331222032012132
52143423121231230
653305131212234
75162251540243
oct1037552160636
9228322606744
1072975180190
1128a4864aa80
12121872a707a
136b5c94b9c3
143763bdb5ca
151d7190092a
hex10fda8e19e

72975180190 has 64 divisors (see below), whose sum is σ = 144738316800. Its totient is φ = 26270663040.

The previous prime is 72975180181. The next prime is 72975180233. The reversal of 72975180190 is 9108157927.

It is a super-2 number, since 2×729751801902 (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 31 ways as a sum of consecutive naturals, for example, 5024479 + ... + 5038981.

It is an arithmetic number, because the mean of its divisors is an integer number (2261536200).

Almost surely, 272975180190 is an apocalyptic number.

72975180190 is a deficient number, since it is larger than the sum of its proper divisors (71763136610).

72975180190 is a wasteful number, since it uses less digits than its factorization.

72975180190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14977.

The product of its (nonzero) digits is 317520, while the sum is 49.

The spelling of 72975180190 in words is "seventy-two billion, nine hundred seventy-five million, one hundred eighty thousand, one hundred ninety".

Divisors: 1 2 5 10 11 22 55 110 149 298 307 614 745 1490 1535 1639 3070 3278 3377 6754 8195 14503 16390 16885 29006 33770 45743 72515 91486 145030 159533 228715 319066 457430 503173 797665 1006346 1595330 2160947 2515865 4321894 4452421 5031730 8904842 10804735 21609470 22262105 23770417 44524210 47540834 48976631 97953262 118852085 237704170 244883155 489766310 663410729 1326821458 3317053645 6634107290 7297518019 14595036038 36487590095 72975180190