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1200422430402 = 231379786724763
BaseRepresentation
bin10001011101111110110…
…000001010011011000010
311020202111111120210112220
4101131332300022123002
5124131431120233102
62315244430431510
7152504405205366
oct21357660123302
94222444523486
101200422430402
11423107192328
12174797062596
1389278c80a20
144215a68b2a6
152135bd301bc
hex1177ec0a6c2

1200422430402 has 64 divisors (see below), whose sum is σ = 2618691962880. Its totient is φ = 364624213824.

The previous prime is 1200422430379. The next prime is 1200422430491. The reversal of 1200422430402 is 2040342240021.

It is a super-2 number, since 2×12004224304022 (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48464073 + ... + 48488835.

It is an arithmetic number, because the mean of its divisors is an integer number (40917061920).

Almost surely, 21200422430402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1200422430402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1309345981440).

1200422430402 is an abundant number, since it is smaller than the sum of its proper divisors (1418269532478).

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

1200422430402 is a wasteful number, since it uses less digits than its factorization.

1200422430402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32727.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 1200422430402 its reverse (2040342240021), we get a palindrome (3240764670423).

The spelling of 1200422430402 in words is "one trillion, two hundred billion, four hundred twenty-two million, four hundred thirty thousand, four hundred two".

Divisors: 1 2 3 6 13 26 39 78 79 158 237 474 1027 2054 3081 6162 7867 15734 23601 24763 47202 49526 74289 102271 148578 204542 306813 321919 613626 621493 643838 965757 1242986 1864479 1931514 1956277 3728958 3912554 5868831 8079409 11737662 16158818 24238227 25431601 48476454 50863202 76294803 152589606 194810521 389621042 584431563 1168863126 2532536773 5065073546 7597610319 15195220638 15390031159 30780062318 46170093477 92340186954 200070405067 400140810134 600211215201 1200422430402