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1310201422420 = 2251111423521357
BaseRepresentation
bin10011000100001110000…
…101110010001001010100
311122020212012010101222011
4103010032011302021110
5132431243031004140
62441522003314004
7163442004223612
oct23041605621124
94566765111864
101310201422420
11465720600910
12191b1397b904
1396722749477
14475b23806b2
152413481dcea
hex1310e172254

1310201422420 has 48 divisors (see below), whose sum is σ = 3001820871168. Its totient is φ = 476394258560.

The previous prime is 1310201422417. The next prime is 1310201422427. The reversal of 1310201422420 is 242241020131.

It is a super-2 number, since 2×13102014224202 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 1310201422391 and 1310201422400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310201422427) 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, 2252382 + ... + 2773738.

It is an arithmetic number, because the mean of its divisors is an integer number (62537934816).

Almost surely, 21310201422420 is an apocalyptic number.

1310201422420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1310201422420 is an abundant number, since it is smaller than the sum of its proper divisors (1691619448748).

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

1310201422420 is a wasteful number, since it uses less digits than its factorization.

1310201422420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532800 (or 532798 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 1310201422420 its reverse (242241020131), we get a palindrome (1552442442551).

The spelling of 1310201422420 in words is "one trillion, three hundred ten billion, two hundred one million, four hundred twenty-two thousand, four hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 11423 22846 45692 57115 114230 125653 228460 251306 502612 521357 628265 1042714 1256530 2085428 2513060 2606785 5213570 5734927 10427140 11469854 22939708 28674635 57349270 114698540 5955461011 11910922022 23821844044 29777305055 59554610110 65510071121 119109220220 131020142242 262040284484 327550355605 655100711210 1310201422420