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106420062521 = 4179154921211
BaseRepresentation
bin110001100011100100…
…0010100100100111001
3101011200121010022101002
41203013020110210321
53220422014000041
6120515543134345
710455121414643
oct1430710244471
9334617108332
10106420062521
11411503950a3
121875ba443b5
13a05c9227c6
145217977893
152b7cb9a59b
hex18c7214939

106420062521 has 16 divisors (see below), whose sum is σ = 110472096000. Its totient is φ = 102439209600.

The previous prime is 106420062517. The next prime is 106420062527. The reversal of 106420062521 is 125260024601.

It is a cyclic number.

It is not a de Polignac number, because 106420062521 - 22 = 106420062517 is a prime.

It is a super-2 number, since 2×1064200625212 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106420062527) 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, 5006606 + ... + 5027816.

It is an arithmetic number, because the mean of its divisors is an integer number (6904506000).

Almost surely, 2106420062521 is an apocalyptic number.

It is an amenable number.

106420062521 is a deficient number, since it is larger than the sum of its proper divisors (4052033479).

106420062521 is a wasteful number, since it uses less digits than its factorization.

106420062521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22880.

The product of its (nonzero) digits is 5760, while the sum is 29.

The spelling of 106420062521 in words is "one hundred six billion, four hundred twenty million, sixty-two thousand, five hundred twenty-one".

Divisors: 1 41 79 1549 3239 21211 63509 122371 869651 1675669 5017211 32855839 68702429 1347089399 2595611281 106420062521