Search a number
-
+
151420104520 = 2356756500039
BaseRepresentation
bin1000110100000101010…
…1110110111101001000
3112110211201122022001021
42031001111312331020
54440102021321040
6153321134202224
713640221436446
oct2150125667510
9473751568037
10151420104520
1159242779753
122541a353374
1311381849aa9
147486217b96
153e135e624a
hex2341576f48

151420104520 has 32 divisors (see below), whose sum is σ = 345780244800. Its totient is φ = 59664040128.

The previous prime is 151420104461. The next prime is 151420104581. The reversal of 151420104520 is 25401024151.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28247340 + ... + 28252699.

It is an arithmetic number, because the mean of its divisors is an integer number (10805632650).

Almost surely, 2151420104520 is an apocalyptic number.

151420104520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151420104520 is an abundant number, since it is smaller than the sum of its proper divisors (194360140280).

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

151420104520 is a wasteful number, since it uses less digits than its factorization.

151420104520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56500117 (or 56500113 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

Adding to 151420104520 its reverse (25401024151), we get a palindrome (176821128671).

The spelling of 151420104520 in words is "one hundred fifty-one billion, four hundred twenty million, one hundred four thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 67 134 268 335 536 670 1340 2680 56500039 113000078 226000156 282500195 452000312 565000390 1130000780 2260001560 3785502613 7571005226 15142010452 18927513065 30284020904 37855026130 75710052260 151420104520