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12973110950 = 2523161137209
BaseRepresentation
bin11000001010100000…
…11111011010100110
31020111010012022121202
430011100133122212
5203032104022300
65543150442502
7636325423622
oct140520373246
936433168552
1012973110950
115557a8a2a8
122620803432
1312b9948a17
148b0d6a182
1550dddead5
hex30541f6a6

12973110950 has 48 divisors (see below), whose sum is σ = 25316891520. Its totient is φ = 4939488000.

The previous prime is 12973110949. The next prime is 12973110971. The reversal of 12973110950 is 5901137921.

It is a super-3 number, since 3×129731109503 (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25946 + ... + 163154.

It is an arithmetic number, because the mean of its divisors is an integer number (527435240).

Almost surely, 212973110950 is an apocalyptic number.

12973110950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12973110950 is a deficient number, since it is larger than the sum of its proper divisors (12343780570).

12973110950 is a wasteful number, since it uses less digits than its factorization.

12973110950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137313 (or 137308 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 38.

The spelling of 12973110950 in words is "twelve billion, nine hundred seventy-three million, one hundred ten thousand, nine hundred fifty".

Divisors: 1 2 5 10 25 31 50 61 62 122 155 305 310 610 775 1525 1550 1891 3050 3782 9455 18910 47275 94550 137209 274418 686045 1372090 3430225 4253479 6860450 8369749 8506958 16739498 21267395 41848745 42534790 83697490 106336975 209243725 212673950 259462219 418487450 518924438 1297311095 2594622190 6486555475 12973110950