Search a number
-
+
357056472020 = 22537794724219
BaseRepresentation
bin1010011001000100011…
…10010110001111010100
31021010121212202010012112
411030202032112033110
521322222424101040
6432010211210152
734540122635663
oct5144216261724
91233555663175
10357056472020
11128477085206
12592495a6958
13278937b7761
14133d2accdda
15944b7c5365
hex53223963d4

357056472020 has 24 divisors (see below), whose sum is σ = 750017167200. Its totient is φ = 142784764832.

The previous prime is 357056472013. The next prime is 357056472023. The reversal of 357056472020 is 20274650753.

It is a super-2 number, since 2×3570564720202 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (357056472023) 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, 2286530 + ... + 2437689.

It is an arithmetic number, because the mean of its divisors is an integer number (31250715300).

Almost surely, 2357056472020 is an apocalyptic number.

It is an amenable number.

357056472020 is an abundant number, since it is smaller than the sum of its proper divisors (392960695180).

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

357056472020 is a wasteful number, since it uses less digits than its factorization.

357056472020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4728007 (or 4728005 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 41.

The spelling of 357056472020 in words is "three hundred fifty-seven billion, fifty-six million, four hundred seventy-two thousand, twenty".

Divisors: 1 2 4 5 10 20 3779 7558 15116 18895 37790 75580 4724219 9448438 18896876 23621095 47242190 94484380 17852823601 35705647202 71411294404 89264118005 178528236010 357056472020