Search a number
-
+
157144428573 = 3114761952381
BaseRepresentation
bin1001001001011010001…
…0011011000000011101
3120000121122222002102020
42102112202123000131
510033312433203243
6200105142250353
714232120414036
oct2222642330035
9500548862366
10157144428573
116070aa2a080
12265574269b9
1311a847833a2
14786a585a8d
15414ae27283
hex249689b01d

157144428573 has 8 divisors (see below), whose sum is σ = 228573714336. Its totient is φ = 95239047600.

The previous prime is 157144428563. The next prime is 157144428599. The reversal of 157144428573 is 375824441751.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 157144428573 - 210 = 157144427549 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157144428563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2380976158 + ... + 2380976223.

It is an arithmetic number, because the mean of its divisors is an integer number (28571714292).

Almost surely, 2157144428573 is an apocalyptic number.

It is an amenable number.

157144428573 is a deficient number, since it is larger than the sum of its proper divisors (71429285763).

157144428573 is a wasteful number, since it uses less digits than its factorization.

157144428573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4761952395.

The product of its digits is 3763200, while the sum is 51.

The spelling of 157144428573 in words is "one hundred fifty-seven billion, one hundred forty-four million, four hundred twenty-eight thousand, five hundred seventy-three".

Divisors: 1 3 11 33 4761952381 14285857143 52381476191 157144428573