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113210331320021 = 13317145942594421
BaseRepresentation
bin11001101111011011010101…
…100101010100111011010101
3112211211210122122022011210212
4121233123111211110323111
5104314314224304220041
61040440035213255205
732563114355506325
oct3157332545247325
9484753578264725
10113210331320021
1133088260708781
1210844b06a94505
134b228c4653530
141dd55a3085285
15d14cd93d28eb
hex66f6d5954ed5

113210331320021 has 32 divisors (see below), whose sum is σ = 122443672982400. Its totient is φ = 104052801864960.

The previous prime is 113210331319997. The next prime is 113210331320027. The reversal of 113210331320021 is 120023133012311.

It is not a de Polignac number, because 113210331320021 - 218 = 113210331057877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113210331320027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25607401391 + ... + 25607405811.

It is an arithmetic number, because the mean of its divisors is an integer number (3826364780700).

Almost surely, 2113210331320021 is an apocalyptic number.

It is an amenable number.

113210331320021 is a deficient number, since it is larger than the sum of its proper divisors (9233341662379).

113210331320021 is a wasteful number, since it uses less digits than its factorization.

113210331320021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10469.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 113210331320021 its reverse (120023133012311), we get a palindrome (233233464332332).

The spelling of 113210331320021 in words is "one hundred thirteen trillion, two hundred ten billion, three hundred thirty-one million, three hundred twenty thousand, twenty-one".

Divisors: 1 13 317 1459 4121 4259 4421 18967 55367 57473 462503 1350103 1401457 6012539 6213881 6450239 17551339 18218941 18829039 80780453 83853107 244777507 1969800277 2044725763 5968805363 25607403601 26581434919 27471567901 77594469719 357130382713 8708487024617 113210331320021