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151420542660 = 22325841225237
BaseRepresentation
bin1000110100000101011…
…1100001111011000100
3112110211202110120001200
42031001113201323010
54440102124331120
6153321151422500
713640225243022
oct2150127417304
9473752416050
10151420542660
1159242a48952
122541a524a30
131138197134a
1474862cd712
153e13680e90
hex23415e1ec4

151420542660 has 36 divisors (see below), whose sum is σ = 459308979948. Its totient is φ = 40378811328.

The previous prime is 151420542649. The next prime is 151420542661. The reversal of 151420542660 is 66245024151.

151420542660 is a `hidden beast` number, since 1 + 51 + 4 + 2 + 0 + 542 + 6 + 60 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 96078921156 + 55341621504 = 309966^2 + 235248^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (151420542661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 420612439 + ... + 420612798.

Almost surely, 2151420542660 is an apocalyptic number.

151420542660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151420542660 is an abundant number, since it is smaller than the sum of its proper divisors (307888437288).

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

151420542660 is a wasteful number, since it uses less digits than its factorization.

151420542660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841225252 (or 841225247 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The spelling of 151420542660 in words is "one hundred fifty-one billion, four hundred twenty million, five hundred forty-two thousand, six hundred sixty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 841225237 1682450474 2523675711 3364900948 4206126185 5047351422 7571027133 8412252370 10094702844 12618378555 15142054266 16824504740 25236757110 30284108532 37855135665 50473514220 75710271330 151420542660