Search a number
-
+
12557750002 = 274547197269
BaseRepresentation
bin10111011001000000…
…00000111011110010
31012102011121210111221
423230200000323302
5201204241000002
65434032055254
7623123054020
oct135440007362
935364553457
1012557750002
115364582496
12252569452a
131251889705
14871b27710
154d76e4c37
hex2ec800ef2

12557750002 has 16 divisors (see below), whose sum is σ = 21532415040. Its totient is φ = 5380681968.

The previous prime is 12557749999. The next prime is 12557750011. The reversal of 12557750002 is 20005775521.

It is a super-2 number, since 2×125577500022 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12557750002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34977 + ... + 162292.

It is an arithmetic number, because the mean of its divisors is an integer number (1345775940).

Almost surely, 212557750002 is an apocalyptic number.

12557750002 is a deficient number, since it is larger than the sum of its proper divisors (8974665038).

12557750002 is a wasteful number, since it uses less digits than its factorization.

12557750002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201825.

The product of its (nonzero) digits is 24500, while the sum is 34.

The spelling of 12557750002 in words is "twelve billion, five hundred fifty-seven million, seven hundred fifty thousand, two".

Divisors: 1 2 7 14 4547 9094 31829 63658 197269 394538 1380883 2761766 896982143 1793964286 6278875001 12557750002