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15213034420234 = 273185940806839
BaseRepresentation
bin1101110101100000111110…
…0000110011100000001010
31222212100111112012012212221
43131120033200303200022
53443222243302421414
652204434352324254
73130051113656560
oct335301740634012
958770445165787
1015213034420234
1149358a2366602
12185847a54368a
13864776aa2541
143a8459b21a30
151b5ad5089224
hexdd60f83380a

15213034420234 has 32 divisors (see below), whose sum is σ = 26952101683200. Its totient is φ = 6302208060720.

The previous prime is 15213034420187. The next prime is 15213034420247. The reversal of 15213034420234 is 43202443031251.

It is a super-2 number, since 2×152130344202342 (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 15213034420234.

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, 20030614 + ... + 20776225.

It is an arithmetic number, because the mean of its divisors is an integer number (842253177600).

Almost surely, 215213034420234 is an apocalyptic number.

15213034420234 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

15213034420234 is a deficient number, since it is larger than the sum of its proper divisors (11739067262966).

15213034420234 is a wasteful number, since it uses less digits than its factorization.

15213034420234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40807738.

The product of its (nonzero) digits is 69120, while the sum is 34.

Adding to 15213034420234 its reverse (43202443031251), we get a palindrome (58415477451485).

The spelling of 15213034420234 in words is "fifteen trillion, two hundred thirteen billion, thirty-four million, four hundred twenty thousand, two hundred thirty-four".

Divisors: 1 2 7 14 31 62 217 434 859 1718 6013 12026 26629 53258 186403 372806 40806839 81613678 285647873 571295746 1265012009 2530024018 8855084063 17710168126 35053074701 70106149402 245371522907 490743045814 1086645315731 2173290631462 7606517210117 15213034420234