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120023103021 = 3476831246307
BaseRepresentation
bin110111111000111101…
…1110011011000101101
3102110210121122100212220
41233301323303120231
53431301403244041
6131045435345553
711446166354103
oct1576173633055
9373717570786
10120023103021
11469a0a04828
121b3175b22b9
13b419c15cb3
145b4843bc73
1531c701ad66
hex1bf1ef362d

120023103021 has 16 divisors (see below), whose sum is σ = 163675137024. Its totient is φ = 78198223664.

The previous prime is 120023103019. The next prime is 120023103041. The reversal of 120023103021 is 120301320021.

It is a cyclic number.

It is not a de Polignac number, because 120023103021 - 21 = 120023103019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120023103041) 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, 526851 + ... + 719456.

It is an arithmetic number, because the mean of its divisors is an integer number (10229696064).

Almost surely, 2120023103021 is an apocalyptic number.

It is an amenable number.

120023103021 is a deficient number, since it is larger than the sum of its proper divisors (43652034003).

120023103021 is a wasteful number, since it uses less digits than its factorization.

120023103021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1247040.

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

Adding to 120023103021 its reverse (120301320021), we get a palindrome (240324423042).

The spelling of 120023103021 in words is "one hundred twenty billion, twenty-three million, one hundred three thousand, twenty-one".

Divisors: 1 3 47 141 683 2049 32101 96303 1246307 3738921 58576429 175729287 851227681 2553683043 40007701007 120023103021