Search a number
-
+
153251155242 = 23234924395281
BaseRepresentation
bin1000111010111001111…
…0110000110100101010
3112122120100002022102200
42032232132300310222
510002324243431432
6154222544041030
714033464216653
oct2165636606452
9478510068380
10153251155242
1159aa2311209
122584b603176
13115b3cbc163
1475bb49452a
153ebe234a7c
hex23ae7b0d2a

153251155242 has 24 divisors (see below), whose sum is σ = 332995599300. Its totient is φ = 50937344640.

The previous prime is 153251155241. The next prime is 153251155289. The reversal of 153251155242 is 242551152351.

153251155242 is a `hidden beast` number, since 1 + 53 + 2 + 5 + 11 + 552 + 42 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 151779588921 + 1471566321 = 389589^2 + 38361^2 .

It is a junction number, because it is equal to n+sod(n) for n = 153251155197 and 153251155206.

It is not an unprimeable number, because it can be changed into a prime (153251155241) 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, 12191359 + ... + 12203922.

Almost surely, 2153251155242 is an apocalyptic number.

153251155242 is an abundant number, since it is smaller than the sum of its proper divisors (179744444058).

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

153251155242 is a wasteful number, since it uses less digits than its factorization.

153251155242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24395638 (or 24395635 counting only the distinct ones).

The product of its digits is 60000, while the sum is 36.

The spelling of 153251155242 in words is "one hundred fifty-three billion, two hundred fifty-one million, one hundred fifty-five thousand, two hundred forty-two".

Divisors: 1 2 3 6 9 18 349 698 1047 2094 3141 6282 24395281 48790562 73185843 146371686 219557529 439115058 8513953069 17027906138 25541859207 51083718414 76625577621 153251155242