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103012201232020 = 2255397181321917
BaseRepresentation
bin10111011011000001100101…
…101010010111011010010100
3111111201212111102100121112001
4113123001211222113122110
5102000222442003411040
61003031052453005044
730461246243151343
oct2733014552273224
9444655442317461
10103012201232020
112a906258089083
12b678555923784
134563016706662
141b61b62349b5a
15bd98b528359a
hex5db065a97694

103012201232020 has 24 divisors (see below), whose sum is σ = 220407238110024. Its totient is φ = 40427429917056.

The previous prime is 103012201231981. The next prime is 103012201232023. The reversal of 103012201232020 is 20232102210301.

It can be written as a sum of positive squares in 4 ways, for example, as 26547040273924 + 76465160958096 = 5152382^2 + 8744436^2 .

It is a super-2 number, since 2×1030122012320202 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103012201232023) 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, 48590659899 + ... + 48590662018.

It is an arithmetic number, because the mean of its divisors is an integer number (9183634921251).

Almost surely, 2103012201232020 is an apocalyptic number.

103012201232020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103012201232020 is an abundant number, since it is smaller than the sum of its proper divisors (117395036878004).

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

103012201232020 is a wasteful number, since it uses less digits than its factorization.

103012201232020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97181321979 (or 97181321977 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 103012201232020 its reverse (20232102210301), we get a palindrome (123244303442321).

The spelling of 103012201232020 in words is "one hundred three trillion, twelve billion, two hundred one million, two hundred thirty-two thousand, twenty".

Divisors: 1 2 4 5 10 20 53 106 212 265 530 1060 97181321917 194362643834 388725287668 485906609585 971813219170 1943626438340 5150610061601 10301220123202 20602440246404 25753050308005 51506100616010 103012201232020