Search a number
-
+
122312301020 = 22571367204561
BaseRepresentation
bin111000111101001100…
…0011001100111011100
3102200201011011200011222
41301322120121213130
54000443422113040
6132104533032512
711560004255540
oct1617230314734
9380634150158
10122312301020
11479661180a8
121b856185738
13b6c3278520
145cc4497a20
1532acea6bb5
hex1c7a6199dc

122312301020 has 48 divisors (see below), whose sum is σ = 316130259648. Its totient is φ = 38709826560.

The previous prime is 122312301017. The next prime is 122312301043. The reversal of 122312301020 is 20103213221.

It is a self number, because there is not a number n which added to its sum of digits gives 122312301020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33600461 + ... + 33604100.

It is an arithmetic number, because the mean of its divisors is an integer number (6586047076).

Almost surely, 2122312301020 is an apocalyptic number.

122312301020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122312301020 is an abundant number, since it is smaller than the sum of its proper divisors (193817958628).

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

122312301020 is a wasteful number, since it uses less digits than its factorization.

122312301020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67204590 (or 67204588 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 122312301020 its reverse (20103213221), we get a palindrome (142415514241).

The spelling of 122312301020 in words is "one hundred twenty-two billion, three hundred twelve million, three hundred one thousand, twenty".

Divisors: 1 2 4 5 7 10 13 14 20 26 28 35 52 65 70 91 130 140 182 260 364 455 910 1820 67204561 134409122 268818244 336022805 470431927 672045610 873659293 940863854 1344091220 1747318586 1881727708 2352159635 3494637172 4368296465 4704319270 6115615051 8736592930 9408638540 12231230102 17473185860 24462460204 30578075255 61156150510 122312301020