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100312310100 = 223526112134519
BaseRepresentation
bin101110101101100010…
…1000110000101010100
3100120220221022100011110
41131123011012011110
53120414422410400
6114025520535020
710150555365402
oct1353305060524
9316827270143
10100312310100
11395a6758322
1217536481470
1395c842a712
144bd871a472
15292187ae50
hex175b146154

100312310100 has 144 divisors (see below), whose sum is σ = 295303460480. Its totient is φ = 26283916800.

The previous prime is 100312310099. The next prime is 100312310123. The reversal of 100312310100 is 1013213001.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 22195641 + ... + 22200159.

Almost surely, 2100312310100 is an apocalyptic number.

100312310100 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 100312310100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147651730240).

100312310100 is an abundant number, since it is smaller than the sum of its proper divisors (194991150380).

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

100312310100 is a wasteful number, since it uses less digits than its factorization.

100312310100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5810 (or 5803 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 100312310100 its reverse (1013213001), we get a palindrome (101325523101).

The spelling of 100312310100 in words is "one hundred billion, three hundred twelve million, three hundred ten thousand, one hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 61 75 100 122 150 183 244 300 305 366 610 732 915 1213 1220 1525 1830 2426 3050 3639 3660 4519 4575 4852 6065 6100 7278 9038 9150 12130 13557 14556 18076 18195 18300 22595 24260 27114 30325 36390 45190 54228 60650 67785 72780 73993 90380 90975 112975 121300 135570 147986 181950 221979 225950 271140 275659 295972 338925 363900 369965 443958 451900 551318 677850 739930 826977 887916 1102636 1109895 1355700 1378295 1479860 1653954 1849825 2219790 2756590 3307908 3699650 4134885 4439580 5481547 5513180 5549475 6891475 7399300 8269770 10963094 11098950 13782950 16444641 16539540 20674425 21926188 22197900 27407735 27565900 32889282 41348850 54815470 65778564 82223205 82697700 109630940 137038675 164446410 274077350 328892820 334374367 411116025 548154700 668748734 822232050 1003123101 1337497468 1644464100 1671871835 2006246202 3343743670 4012492404 5015615505 6687487340 8359359175 10031231010 16718718350 20062462020 25078077525 33437436700 50156155050 100312310100