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189331444294 = 21737473202169
BaseRepresentation
bin1011000001010100001…
…0001001001001000110
3200002200211111220100121
42300111002021021012
511100222322204134
6222551101532154
716451544503026
oct2602502111106
9602624456317
10189331444294
1173327734413
123083a87405a
1314b13c81b15
14924124ba86
154dd1a55ab4
hex2c15089246

189331444294 has 32 divisors (see below), whose sum is σ = 315400936320. Its totient is φ = 84844643328.

The previous prime is 189331444273. The next prime is 189331444361. The reversal of 189331444294 is 492444133981.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1541959 + ... + 1660210.

It is an arithmetic number, because the mean of its divisors is an integer number (9856279260).

Almost surely, 2189331444294 is an apocalyptic number.

189331444294 is a deficient number, since it is larger than the sum of its proper divisors (126069492026).

189331444294 is a wasteful number, since it uses less digits than its factorization.

189331444294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3202272.

The product of its digits is 2985984, while the sum is 52.

The spelling of 189331444294 in words is "one hundred eighty-nine billion, three hundred thirty-one million, four hundred forty-four thousand, two hundred ninety-four".

Divisors: 1 2 17 34 37 47 74 94 629 799 1258 1598 1739 3478 29563 59126 3202169 6404338 54436873 108873746 118480253 150501943 236960506 301003886 2014164301 2558533031 4028328602 5117066062 5568571891 11137143782 94665722147 189331444294