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101320321260 = 223531379143729
BaseRepresentation
bin101111001011100101…
…0010110100011101100
3100200112012001121112010
41132113022112203230
53130001000240020
6114313530041220
710214545343424
oct1362712264354
9320465047463
10101320321260
1139a73752aa4
1217777b79210
139729211122
144c92551484
1529800e0de0
hex17972968ec

101320321260 has 96 divisors (see below), whose sum is σ = 293623142400. Its totient is φ = 26078008320.

The previous prime is 101320321189. The next prime is 101320321261. The reversal of 101320321260 is 62123023101.

It is not an unprimeable number, because it can be changed into a prime (101320321261) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 633076 + ... + 776804.

It is an arithmetic number, because the mean of its divisors is an integer number (3058574400).

Almost surely, 2101320321260 is an apocalyptic number.

101320321260 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 101320321260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146811571200).

101320321260 is an abundant number, since it is smaller than the sum of its proper divisors (192302821140).

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

101320321260 is a wasteful number, since it uses less digits than its factorization.

101320321260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144151 (or 144149 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 101320321260 its reverse (62123023101), we get a palindrome (163443344361).

The spelling of 101320321260 in words is "one hundred one billion, three hundred twenty million, three hundred twenty-one thousand, two hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 31 60 62 93 124 155 186 310 372 379 465 620 758 930 1137 1516 1860 1895 2274 3790 4548 5685 7580 11370 11749 22740 23498 35247 46996 58745 70494 117490 140988 143729 176235 234980 287458 352470 431187 574916 704940 718645 862374 1437290 1724748 2155935 2874580 4311870 4455599 8623740 8911198 13366797 17822396 22277995 26733594 44555990 53467188 54473291 66833985 89111980 108946582 133667970 163419873 217893164 267335940 272366455 326839746 544732910 653679492 817099365 1089465820 1634198730 1688672021 3268397460 3377344042 5066016063 6754688084 8443360105 10132032126 16886720210 20264064252 25330080315 33773440420 50660160630 101320321260