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101210121004031 = 1347208889792989
BaseRepresentation
bin10111000000110011010001…
…010011110110001111111111
3111021100121000100110220201022
4113000303101103312033333
5101231211311434112111
6555131142051334355
730214122102022544
oct2700632123661777
9437317010426638
10101210121004031
112a280a75845406
12b4272488b13bb
1344620c5507020
141adc84b59abcb
15ba7a92cbb2db
hex5c0cd14f63ff

101210121004031 has 16 divisors (see below), whose sum is σ = 111315241699200. Its totient is φ = 91436413893888.

The previous prime is 101210121004007. The next prime is 101210121004063. The reversal of 101210121004031 is 130400121012101.

It is a cyclic number.

It is not a de Polignac number, because 101210121004031 - 230 = 101209047262207 is a prime.

It is a super-2 number, since 2×1012101210040312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101210121004231) 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, 127234685 + ... + 128027673.

It is an arithmetic number, because the mean of its divisors is an integer number (6957202606200).

Almost surely, 2101210121004031 is an apocalyptic number.

101210121004031 is a deficient number, since it is larger than the sum of its proper divisors (10105120695169).

101210121004031 is a wasteful number, since it uses less digits than its factorization.

101210121004031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001938.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 101210121004031 its reverse (130400121012101), we get a palindrome (231610242016132).

The spelling of 101210121004031 in words is "one hundred one trillion, two hundred ten billion, one hundred twenty-one million, four thousand, thirty-one".

Divisors: 1 13 47 611 208889 792989 2715557 9817783 10308857 37270483 127631179 484516279 165646679221 2153406829873 7785393923387 101210121004031