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100230211230 = 23512592653699
BaseRepresentation
bin101110101011000101…
…1111010011010011110
3100120201012211021200120
41131112023322122132
53120232413224410
6114013425135410
710145540511162
oct1352613723236
9316635737616
10100230211230
1139564383216
1217512a8a566
1395b4413bc6
144bcb868ca2
152919560570
hex17562fa69e

100230211230 has 32 divisors (see below), whose sum is σ = 240743664000. Its totient is φ = 26706816672.

The previous prime is 100230211217. The next prime is 100230211253. The reversal of 100230211230 is 32112032001.

It is a super-2 number, since 2×1002302112302 (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 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, 1289080 + ... + 1364619.

It is an arithmetic number, because the mean of its divisors is an integer number (7523239500).

Almost surely, 2100230211230 is an apocalyptic number.

100230211230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100230211230 is an abundant number, since it is smaller than the sum of its proper divisors (140513452770).

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

100230211230 is a wasteful number, since it uses less digits than its factorization.

100230211230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2654968.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 100230211230 its reverse (32112032001), we get a palindrome (132342243231).

The spelling of 100230211230 in words is "one hundred billion, two hundred thirty million, two hundred eleven thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 1259 2518 3777 6295 7554 12590 18885 37770 2653699 5307398 7961097 13268495 15922194 26536990 39805485 79610970 3341007041 6682014082 10023021123 16705035205 20046042246 33410070410 50115105615 100230211230