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25180023068 = 22193759151771
BaseRepresentation
bin10111011100110110…
…001010100100011100
32101222211122201000222
4113130312022210130
5403032041214233
615322331140512
71550661443654
oct273466124434
971884581028
1025180023068
11a751515022
124a688a4738
1324b3917a45
14130c249364
159c58d2898
hex5dcd8a91c

25180023068 has 48 divisors (see below), whose sum is σ = 48445622400. Its totient is φ = 11408247360.

The previous prime is 25180023061. The next prime is 25180023073. The reversal of 25180023068 is 86032008152.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25180023061) 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, 90023 + ... + 241793.

It is an arithmetic number, because the mean of its divisors is an integer number (1009283800).

Almost surely, 225180023068 is an apocalyptic number.

It is an amenable number.

25180023068 is a deficient number, since it is larger than the sum of its proper divisors (23265599332).

25180023068 is a wasteful number, since it uses less digits than its factorization.

25180023068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151890 (or 151888 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The spelling of 25180023068 in words is "twenty-five billion, one hundred eighty million, twenty-three thousand, sixty-eight".

Divisors: 1 2 4 19 37 38 59 74 76 118 148 236 703 1121 1406 2183 2242 2812 4366 4484 8732 41477 82954 151771 165908 303542 607084 2883649 5615527 5767298 8954489 11231054 11534596 17908978 22462108 35817956 106695013 170135291 213390026 331316093 340270582 426780052 662632186 680541164 1325264372 6295005767 12590011534 25180023068