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105253245009 = 321121071098287
BaseRepresentation
bin110001000000110010…
…1010001000001010001
3101001200021112211122200
41202001211101001101
53211024312320014
6120204102153413
710414162551423
oct1420145210121
9331607484580
10105253245009
1140701792900
1218495122869
139c04c78a43
145146a04813
152b10516a09
hex1881951051

105253245009 has 72 divisors (see below), whose sum is σ = 170239829760. Its totient is φ = 62606364480.

The previous prime is 105253245007. The next prime is 105253245017. The reversal of 105253245009 is 900542352501.

It is a happy number.

105253245009 is a `hidden beast` number, since 105 + 25 + 3 + 24 + 500 + 9 = 666.

It is not a de Polignac number, because 105253245009 - 21 = 105253245007 is a prime.

It is a super-2 number, since 2×1052532450092 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105253245007) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 12696864 + ... + 12705150.

It is an arithmetic number, because the mean of its divisors is an integer number (2364442080).

Almost surely, 2105253245009 is an apocalyptic number.

It is an amenable number.

105253245009 is a deficient number, since it is larger than the sum of its proper divisors (64986584751).

105253245009 is a wasteful number, since it uses less digits than its factorization.

105253245009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8531 (or 8517 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The spelling of 105253245009 in words is "one hundred five billion, two hundred fifty-three million, two hundred forty-five thousand, nine".

Divisors: 1 3 9 11 33 99 107 109 121 321 327 363 963 981 1089 1177 1199 3531 3597 8287 10593 10791 11663 12947 13189 24861 34989 38841 39567 74583 91157 104967 116523 118701 128293 273471 384879 820413 886709 903283 1002727 1154637 1411223 2660127 2709849 3008181 4233669 7980381 8129547 9024543 9753799 9936113 12701007 29261397 29808339 87784191 89425017 96651281 107291789 109297243 289953843 321875367 327891729 869861529 965626101 983675187 1063164091 3189492273 9568476819 11694805001 35084415003 105253245009