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102040232424025 = 52731166711283299
BaseRepresentation
bin10111001100111000010111…
…110011100111001001011001
3111101021221200020120021120111
4113030320113303213021121
5101333311344000032100
61001004345144124321
730331110040461220
oct2714702763471131
9441257606507514
10102040232424025
112a571024024675
12b5400b74666a1
1344c247795a27c
141b2aab8a91cb7
15bbe4798956ba
hex5cce17ce7259

102040232424025 has 48 divisors (see below), whose sum is σ = 149359840358400. Its totient is φ = 67672708084800.

The previous prime is 102040232424023. The next prime is 102040232424047. The reversal of 102040232424025 is 520424232040201.

It is a happy number.

It is not a de Polignac number, because 102040232424025 - 21 = 102040232424023 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (102040232424023) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3401826 + ... + 14685124.

It is an arithmetic number, because the mean of its divisors is an integer number (3111663340800).

Almost surely, 2102040232424025 is an apocalyptic number.

It is an amenable number.

102040232424025 is a deficient number, since it is larger than the sum of its proper divisors (47319607934375).

102040232424025 is a wasteful number, since it uses less digits than its factorization.

102040232424025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11285014 (or 11285009 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 31.

Adding to 102040232424025 its reverse (520424232040201), we get a palindrome (622464464464226).

The spelling of 102040232424025 in words is "one hundred two trillion, forty billion, two hundred thirty-two million, four hundred twenty-four thousand, twenty-five".

Divisors: 1 5 7 25 31 35 155 175 217 775 1085 1667 5425 8335 11669 41675 51677 58345 258385 291725 361739 1291925 1808695 9043475 11283299 56416495 78983093 282082475 349782269 394915465 1748911345 1974577325 2448475883 8744556725 12242379415 18809259433 61211897075 94046297165 131664816031 470231485825 583087042423 658324080155 2915435212115 3291620400775 4081609296961 14577176060575 20408046484805 102040232424025