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31093873704 = 23373157329
BaseRepresentation
bin11100111101010101…
…101101110000101000
32222020222121110000000
4130331111231300220
51002140012424304
622141225343000
72150351365005
oct347525556050
988228543000
1031093873704
1112206754593
126039337a60
132c16bac44a
14170d8308ac
15c1eb9e939
hex73d56dc28

31093873704 has 128 divisors (see below), whose sum is σ = 90260352000. Its totient is φ = 10030106880.

The previous prime is 31093873639. The next prime is 31093873751. The reversal of 31093873704 is 40737839013.

It is a self number, because there is not a number n which added to its sum of digits gives 31093873704.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 513712 + ... + 571040.

It is an arithmetic number, because the mean of its divisors is an integer number (705159000).

Almost surely, 231093873704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31093873704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45130176000).

31093873704 is an abundant number, since it is smaller than the sum of its proper divisors (59166478296).

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

31093873704 is an equidigital number, since it uses as much as digits as its factorization.

31093873704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57387 (or 57365 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 45.

The spelling of 31093873704 in words is "thirty-one billion, ninety-three million, eight hundred seventy-three thousand, seven hundred four".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 31 36 54 62 72 81 93 108 124 162 186 216 243 248 279 324 372 486 558 648 729 744 837 972 1116 1458 1674 1944 2187 2232 2511 2916 3348 4374 5022 5832 6696 7533 8748 10044 15066 17496 20088 22599 30132 45198 57329 60264 67797 90396 114658 135594 171987 180792 229316 271188 343974 458632 515961 542376 687948 1031922 1375896 1547883 1777199 2063844 3095766 3554398 4127688 4643649 5331597 6191532 7108796 9287298 10663194 12383064 13930947 14217592 15994791 18574596 21326388 27861894 31989582 37149192 41792841 42652776 47984373 55723788 63979164 83585682 95968746 111447576 125378523 127958328 143953119 167171364 191937492 250757046 287906238 334342728 383874984 431859357 501514092 575812476 863718714 1003028184 1151624952 1295578071 1727437428 2591156142 3454874856 3886734213 5182312284 7773468426 10364624568 15546936852 31093873704