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101310322020 = 223529158336781
BaseRepresentation
bin101111001011010010…
…0001101010101100100
3100200111111020121010220
41132112210031111210
53124440420301040
6114312531444340
710214364346215
oct1362644152544
9320444217126
10101310322020
1139a69043466
12177747566b0
13972711ca0b
144c910ab40c
15297e2b82d0
hex179690d564

101310322020 has 96 divisors (see below), whose sum is σ = 293643947520. Its totient is φ = 26067310080.

The previous prime is 101310321967. The next prime is 101310322033. The reversal of 101310322020 is 20223013101.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 2736030 + ... + 2772810.

It is an arithmetic number, because the mean of its divisors is an integer number (3058791120).

Almost surely, 2101310322020 is an apocalyptic number.

101310322020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101310322020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146821973760).

101310322020 is an abundant number, since it is smaller than the sum of its proper divisors (192333625500).

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

101310322020 is a wasteful number, since it uses less digits than its factorization.

101310322020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38405 (or 38403 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 101310322020 its reverse (20223013101), we get a palindrome (121533335121).

The spelling of 101310322020 in words is "one hundred one billion, three hundred ten million, three hundred twenty-two thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 29 30 58 60 87 116 145 174 290 348 435 580 870 1583 1740 3166 4749 6332 7915 9498 15830 18996 23745 31660 36781 45907 47490 73562 91814 94980 110343 137721 147124 183628 183905 220686 229535 275442 367810 441372 459070 550884 551715 688605 735620 918140 1066649 1103430 1377210 2133298 2206860 2754420 3199947 4266596 5333245 6399894 10666490 12799788 15999735 21332980 31999470 58224323 63998940 116448646 174672969 232897292 291121615 349345938 582243230 698691876 873364845 1164486460 1688505367 1746729690 3377010734 3493459380 5065516101 6754021468 8442526835 10131032202 16885053670 20262064404 25327580505 33770107340 50655161010 101310322020