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113021207988 = 2231324127111093
BaseRepresentation
bin110100101000010010…
…1101100010110110100
3101210201122100020121020
41221100211230112310
53322431412123423
6123530552421140
711110525263003
oct1512045542664
9353648306536
10113021207988
1143a28586417
1219aa26a77b0
13a8723c8640
14568254ac3a
152e1747a4e3
hex1a5096c5b4

113021207988 has 96 divisors (see below), whose sum is σ = 286258570752. Its totient is φ = 34500556800.

The previous prime is 113021207987. The next prime is 113021208017. The reversal of 113021207988 is 889702120311.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113021207987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10182970 + ... + 10194062.

It is an arithmetic number, because the mean of its divisors is an integer number (2981860112).

Almost surely, 2113021207988 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 113021207988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143129285376).

113021207988 is an abundant number, since it is smaller than the sum of its proper divisors (173237362764).

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

113021207988 is a wasteful number, since it uses less digits than its factorization.

113021207988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11625 (or 11623 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 42.

The spelling of 113021207988 in words is "one hundred thirteen billion, twenty-one million, two hundred seven thousand, nine hundred eighty-eight".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 241 271 482 542 723 813 964 1084 1446 1626 2892 3133 3252 3523 6266 7046 9399 10569 11093 12532 14092 18798 21138 22186 33279 37596 42276 44372 65311 66558 130622 133116 144209 195933 261244 288418 391866 432627 576836 783732 849043 865254 1698086 1730508 2547129 2673413 3006203 3396172 5094258 5346826 6012406 8020239 9018609 10188516 10693652 12024812 16040478 18037218 32080956 34754369 36074436 39080639 69508738 78161278 104263107 117241917 139017476 156322556 208526214 234483834 417052428 468967668 724494923 1448989846 2173484769 2897979692 4346969538 8693939076 9418433999 18836867998 28255301997 37673735996 56510603994 113021207988