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12380858974 = 2111761753653
BaseRepresentation
bin10111000011111010…
…01110101001011110
31011221211202210122101
423201331032221132
5200323444441344
65404312435314
7615544364521
oct134175165136
934854683571
1012380858974
115283743660
1224963a8b3a
131224033973
1485643cbb8
154c6e029d4
hex2e1f4ea5e

12380858974 has 32 divisors (see below), whose sum is σ = 21486495456. Its totient is φ = 5287941120.

The previous prime is 12380858909. The next prime is 12380858999. The reversal of 12380858974 is 47985808321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 203932 + ... + 257584.

It is an arithmetic number, because the mean of its divisors is an integer number (671452983).

Almost surely, 212380858974 is an apocalyptic number.

12380858974 is a deficient number, since it is larger than the sum of its proper divisors (9105636482).

12380858974 is a wasteful number, since it uses less digits than its factorization.

12380858974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54300.

The product of its (nonzero) digits is 3870720, while the sum is 55.

The spelling of 12380858974 in words is "twelve billion, three hundred eighty million, eight hundred fifty-eight thousand, nine hundred seventy-four".

Divisors: 1 2 11 17 22 34 187 374 617 1234 6787 10489 13574 20978 53653 107306 115379 230758 590183 912101 1180366 1824202 10033111 20066222 33103901 66207802 364142911 562766317 728285822 1125532634 6190429487 12380858974