Search a number
-
+
155037242874 = 2347549777457
BaseRepresentation
bin1001000001100011110…
…0001001010111111010
3112211011210220222001110
42100120330021113322
510020004013232444
6155120110101150
714125652551353
oct2203074112772
9484153828043
10155037242874
115a829533298
12260697aa7b6
131180a04a947
14770a788d2a
154075e40cb9
hex2418f095fa

155037242874 has 16 divisors (see below), whose sum is σ = 316671815808. Its totient is φ = 50579525952.

The previous prime is 155037242863. The next prime is 155037242917. The reversal of 155037242874 is 478242730551.

It is a happy number.

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, 274888447 + ... + 274889010.

It is an arithmetic number, because the mean of its divisors is an integer number (19791988488).

Almost surely, 2155037242874 is an apocalyptic number.

155037242874 is an abundant number, since it is smaller than the sum of its proper divisors (161634572934).

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

155037242874 is a wasteful number, since it uses less digits than its factorization.

155037242874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549777509.

The product of its (nonzero) digits is 1881600, while the sum is 48.

The spelling of 155037242874 in words is "one hundred fifty-five billion, thirty-seven million, two hundred forty-two thousand, eight hundred seventy-four".

Divisors: 1 2 3 6 47 94 141 282 549777457 1099554914 1649332371 3298664742 25839540479 51679080958 77518621437 155037242874