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25074572042 = 21317195415519
BaseRepresentation
bin10111010110100011…
…111001101100001010
32101201111020020102102
4113112203321230022
5402323042301132
615304043033402
71545241226402
oct272643715412
971644206372
1025074572042
11a6a7a40113
124a3950b862
132497b160a0
1412dc239802
159bb502c62
hex5d68f9b0a

25074572042 has 64 divisors (see below), whose sum is σ = 45236620800. Its totient is φ = 10297912320.

The previous prime is 25074572011. The next prime is 25074572129. The reversal of 25074572042 is 24027547052.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 25074571987 and 25074572005.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4540559 + ... + 4546077.

It is an arithmetic number, because the mean of its divisors is an integer number (706822200).

Almost surely, 225074572042 is an apocalyptic number.

25074572042 is a deficient number, since it is larger than the sum of its proper divisors (20162048758).

25074572042 is a wasteful number, since it uses less digits than its factorization.

25074572042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6111.

The product of its (nonzero) digits is 156800, while the sum is 38.

The spelling of 25074572042 in words is "twenty-five billion, seventy-four million, five hundred seventy-two thousand, forty-two".

Divisors: 1 2 13 17 19 26 34 38 221 247 323 442 494 541 646 1082 4199 5519 7033 8398 9197 10279 11038 14066 18394 20558 71747 93823 104861 119561 133627 143494 174743 187646 209722 239122 267254 349486 1219699 1363193 1782637 2271659 2439398 2726386 2985779 3565274 4543318 5971558 23174281 38815127 46348562 50758243 56729801 77630254 101516486 113459602 659857159 737487413 964406617 1319714318 1474974826 1928813234 12537286021 25074572042