Search a number
-
+
612502601020 = 225314457221653
BaseRepresentation
bin10001110100110111111…
…11111111110100111100
32011112222100200222211021
420322123333333310330
540013401131213040
61145214012233524
762152246130602
oct10723377776474
92145870628737
10612502601020
11216840828812
129a859a6b8a4
13459b2c77c8b
1421906933872
1510dec7bc24a
hex8e9bfffd3c

612502601020 has 48 divisors (see below), whose sum is σ = 1328051467008. Its totient is φ = 237043514880.

The previous prime is 612502601017. The next prime is 612502601021. The reversal of 612502601020 is 20106205216.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612502601021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2652514 + ... + 2874166.

It is an arithmetic number, because the mean of its divisors is an integer number (27667738896).

Almost surely, 2612502601020 is an apocalyptic number.

It is an amenable number.

612502601020 is an abundant number, since it is smaller than the sum of its proper divisors (715548865988).

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

612502601020 is a wasteful number, since it uses less digits than its factorization.

612502601020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226150 (or 226148 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 612502601020 its reverse (20106205216), we get a palindrome (632608806236).

The spelling of 612502601020 in words is "six hundred twelve billion, five hundred two million, six hundred one thousand, twenty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 4457 8914 17828 22285 44570 89140 138167 221653 276334 443306 552668 690835 886612 1108265 1381670 2216530 2763340 4433060 6871243 13742486 27484972 34356215 68712430 137424860 987907421 1975814842 3951629684 4939537105 9879074210 19758148420 30625130051 61250260102 122500520204 153125650255 306251300510 612502601020