Search a number
-
+
210031310200 = 23521050156551
BaseRepresentation
bin1100001110011011010…
…1110111010101111000
3202002010102222001010211
43003212311313111320
511420121003411300
6240253111520504
721113525452225
oct3034665672570
9662112861124
10210031310200
118108a221008
1234857089134
1316a6264ca9a
14a24647494c
1556e3e694ba
hex30e6d77578

210031310200 has 24 divisors (see below), whose sum is σ = 488322796680. Its totient is φ = 84012524000.

The previous prime is 210031310173. The next prime is 210031310239. The reversal of 210031310200 is 2013130012.

It is a super-2 number, since 2×2100313102002 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 525078076 + ... + 525078475.

It is an arithmetic number, because the mean of its divisors is an integer number (20346783195).

Almost surely, 2210031310200 is an apocalyptic number.

210031310200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210031310200 is an abundant number, since it is smaller than the sum of its proper divisors (278291486480).

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

210031310200 is a wasteful number, since it uses less digits than its factorization.

210031310200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1050156567 (or 1050156558 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 210031310200 its reverse (2013130012), we get a palindrome (212044440212).

The spelling of 210031310200 in words is "two hundred ten billion, thirty-one million, three hundred ten thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 1050156551 2100313102 4200626204 5250782755 8401252408 10501565510 21003131020 26253913775 42006262040 52507827550 105015655100 210031310200