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101021331124 = 22723235766553
BaseRepresentation
bin101111000010101010…
…1110010111010110100
3100122202100110100011101
41132011111302322310
53123342430043444
6114224125415444
710204255101160
oct1360525627264
9318670410141
10101021331124
113992a9a930a
12176b3a0a584
1396ac2a7b9c
144c64961ca0
152963c313d4
hex1785572eb4

101021331124 has 48 divisors (see below), whose sum is σ = 210919742208. Its totient is φ = 41394279168.

The previous prime is 101021331121. The next prime is 101021331143. The reversal of 101021331124 is 421133120101.

It is a super-2 number, since 2×1010213311242 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101021331121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1484632 + ... + 1551184.

It is an arithmetic number, because the mean of its divisors is an integer number (4394161296).

Almost surely, 2101021331124 is an apocalyptic number.

101021331124 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

101021331124 is an abundant number, since it is smaller than the sum of its proper divisors (109898411084).

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

101021331124 is a wasteful number, since it uses less digits than its factorization.

101021331124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68944 (or 68942 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 101021331124 its reverse (421133120101), we get a palindrome (522154451225).

The spelling of 101021331124 in words is "one hundred one billion, twenty-one million, three hundred thirty-one thousand, one hundred twenty-four".

Divisors: 1 2 4 7 14 23 28 46 92 161 322 644 2357 4714 9428 16499 32998 54211 65996 66553 108422 133106 216844 266212 379477 465871 758954 931742 1517908 1530719 1863484 3061438 6122876 10715033 21430066 42860132 156865421 313730842 627461684 1098057947 2196115894 3607904683 4392231788 7215809366 14431618732 25255332781 50510665562 101021331124