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13100020040442 = 2320871046160361
BaseRepresentation
bin1011111010100001011000…
…0010101000001011111010
31201101100102220212000211210
42332220112002220023322
53204112320112243232
643510022141103550
72521305465045006
oct276502602501372
951340386760753
1013100020040442
1141a0761883545
121576a56257bb6
137404326937ba
143340899c1706
1517ab6552e5cc
hexbea160a82fa

13100020040442 has 16 divisors (see below), whose sum is σ = 26212594030272. Its totient is φ = 4364581021920.

The previous prime is 13100020040377. The next prime is 13100020040477. The reversal of 13100020040442 is 24404002000131.

It is a super-2 number, since 2×131000200404422 (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 523067659 + ... + 523092702.

It is an arithmetic number, because the mean of its divisors is an integer number (1638287126892).

Almost surely, 213100020040442 is an apocalyptic number.

13100020040442 is an abundant number, since it is smaller than the sum of its proper divisors (13112573989830).

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

13100020040442 is a wasteful number, since it uses less digits than its factorization.

13100020040442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1046162453.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 13100020040442 its reverse (24404002000131), we get a palindrome (37504022040573).

The spelling of 13100020040442 in words is "thirteen trillion, one hundred billion, twenty million, forty thousand, four hundred forty-two".

Divisors: 1 2 3 6 2087 4174 6261 12522 1046160361 2092320722 3138481083 6276962166 2183336673407 4366673346814 6550010020221 13100020040442