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500500000025 = 5271379743989
BaseRepresentation
bin1110100100010000001…
…11111110110100011001
31202211212201001100022222
413102020013332310121
531200011000000100
61021532043553425
751105566543354
oct7221007766431
91684781040288
10500500000025
11183296224963
128100052b875
1338273902b8c
141a31d7b929b
15d04499b485
hex74881fed19

500500000025 has 24 divisors (see below), whose sum is σ = 631022558400. Its totient is φ = 393718449600.

The previous prime is 500499999919. The next prime is 500500000027. The reversal of 500500000025 is 520000005005.

It is a happy number.

It is not a de Polignac number, because 500500000025 - 210 = 500499999001 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 500499999949 and 500500000012.

It is not an unprimeable number, because it can be changed into a prime (500500000027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 300731 + ... + 1044719.

It is an arithmetic number, because the mean of its divisors is an integer number (26292606600).

Almost surely, 2500500000025 is an apocalyptic number.

It is an amenable number.

500500000025 is a deficient number, since it is larger than the sum of its proper divisors (130522558375).

500500000025 is a wasteful number, since it uses less digits than its factorization.

500500000025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 744449 (or 744444 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 17.

The spelling of 500500000025 in words is "five hundred billion, five hundred million, twenty-five", and thus it is an aban number.

Divisors: 1 5 25 71 355 379 1775 1895 9475 26909 134545 672725 743989 3719945 18599725 52823219 264116095 281971831 1320580475 1409859155 7049295775 20020000001 100100000005 500500000025