Search a number
-
+
12988902194 = 2231393120269
BaseRepresentation
bin11000001100011001…
…01110101100110010
31020112012220121010122
430012030232230302
5203100124332234
65544513130242
7636606563342
oct140614565462
936465817118
1012988902194
115565995514
122625b59982
1312bccb7558
148b30bad22
155104ad92e
hex30632eb32

12988902194 has 16 divisors (see below), whose sum is σ = 20332918080. Its totient is φ = 6211331280.

The previous prime is 12988902127. The next prime is 12988902211. The reversal of 12988902194 is 49120988921.

It is a happy number.

It is a Curzon number.

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, 630692 + ... + 650960.

It is an arithmetic number, because the mean of its divisors is an integer number (1270807380).

Almost surely, 212988902194 is an apocalyptic number.

12988902194 is a deficient number, since it is larger than the sum of its proper divisors (7344015886).

12988902194 is a wasteful number, since it uses less digits than its factorization.

12988902194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34225.

The product of its (nonzero) digits is 746496, while the sum is 53.

The spelling of 12988902194 in words is "twelve billion, nine hundred eighty-eight million, nine hundred two thousand, one hundred ninety-four".

Divisors: 1 2 23 46 13931 20269 27862 40538 320413 466187 640826 932374 282367439 564734878 6494451097 12988902194