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151506083493 = 3218397915041
BaseRepresentation
bin1000110100011001110…
…1110101111010100101
3112111001201102111000200
42031012131311322211
54440241024132433
6153333445101113
713642314314142
oct2150635657245
9474051374020
10151506083493
1159287263a56
12254430b7799
13113965c171b
1474937d93c9
153e1ae2b613
hex2346775ea5

151506083493 has 12 divisors (see below), whose sum is σ = 218854255308. Its totient is φ = 100998455040.

The previous prime is 151506083459. The next prime is 151506083549. The reversal of 151506083493 is 394380605151.

151506083493 is a `hidden beast` number, since 1 + 5 + 1 + 5 + 0 + 608 + 34 + 9 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 114979993569 + 36526089924 = 339087^2 + 191118^2 .

It is not a de Polignac number, because 151506083493 - 212 = 151506079397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151506083453) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 291948 + ... + 623093.

It is an arithmetic number, because the mean of its divisors is an integer number (18237854609).

Almost surely, 2151506083493 is an apocalyptic number.

It is an amenable number.

151506083493 is a deficient number, since it is larger than the sum of its proper divisors (67348171815).

151506083493 is a wasteful number, since it uses less digits than its factorization.

151506083493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 933444 (or 933441 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 45.

The spelling of 151506083493 in words is "one hundred fifty-one billion, five hundred six million, eighty-three thousand, four hundred ninety-three".

Divisors: 1 3 9 18397 55191 165573 915041 2745123 8235369 16834009277 50502027831 151506083493