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123100200330 = 2355691172101
BaseRepresentation
bin111001010100101010…
…1111111110110001010
3102202202001202002211220
41302221111333312022
54004102122402310
6132315040302510
711615352303222
oct1625125776612
9382661662756
10123100200330
114822a943558
121ba36011a36
13b7ba582633
145d5ad93082
15330723d670
hex1ca957fd8a

123100200330 has 32 divisors (see below), whose sum is σ = 295449769728. Its totient is φ = 32825688000.

The previous prime is 123100200319. The next prime is 123100200337. The reversal of 123100200330 is 33002001321.

It is a super-2 number, since 2×1231002003302 (a number of 23 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (123100200337) 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, 1671280 + ... + 1743380.

It is an arithmetic number, because the mean of its divisors is an integer number (9232805304).

Almost surely, 2123100200330 is an apocalyptic number.

123100200330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123100200330 is an abundant number, since it is smaller than the sum of its proper divisors (172349569398).

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

123100200330 is a wasteful number, since it uses less digits than its factorization.

123100200330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129022.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 123100200330 its reverse (33002001321), we get a palindrome (156102201651).

The spelling of 123100200330 in words is "one hundred twenty-three billion, one hundred million, two hundred thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 56911 72101 113822 144202 170733 216303 284555 341466 360505 432606 569110 721010 853665 1081515 1707330 2163030 4103340011 8206680022 12310020033 20516700055 24620040066 41033400110 61550100165 123100200330