Search a number
-
+
313503709122 = 234439912
BaseRepresentation
bin1001000111111100100…
…01101111011111000010
31002222012121112112020000
410203332101233133002
520114023422142442
6400004400300430
731435625362602
oct4437621573702
91088177475200
10313503709122
11110a5774188a
1250913911716
1323742683a36
141126074ac02
15824ce5cd4c
hex48fe46f7c2

313503709122 has 30 divisors (see below), whose sum is σ = 702496502499. Its totient is φ = 104498860860.

The previous prime is 313503709117. The next prime is 313503709159. The reversal of 313503709122 is 221907305313.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 156751854561 + 156751854561 = 395919^2 + 395919^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=395919.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 7104547 + ... + 7148537.

Almost surely, 2313503709122 is an apocalyptic number.

313503709122 is an abundant number, since it is smaller than the sum of its proper divisors (388992793377).

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

313503709122 is an frugal number, since it uses more digits than its factorization.

313503709122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87996 (or 43996 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 36.

The spelling of 313503709122 in words is "three hundred thirteen billion, five hundred three million, seven hundred nine thousand, one hundred twenty-two".

Divisors: 1 2 3 6 9 18 27 54 81 162 43991 87982 131973 263946 395919 791838 1187757 2375514 3563271 7126542 1935208081 3870416162 5805624243 11611248486 17416872729 34833745458 52250618187 104501236374 156751854561 313503709122