Search a number
-
+
12945190710 = 2351567275371
BaseRepresentation
bin11000000111001011…
…11110111100110110
31020102011122211020210
430003211332330312
5203002432100320
65540312210250
7635536206534
oct140345767466
936364584223
1012945190710
11554324a421
122613399986
1312b3c2157a
148ab37d154
1550b7270e0
hex30397ef36

12945190710 has 32 divisors (see below), whose sum is σ = 31088397312. Its totient is φ = 3449835360.

The previous prime is 12945190681. The next prime is 12945190747. The reversal of 12945190710 is 1709154921.

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, 90676 + ... + 184695.

It is an arithmetic number, because the mean of its divisors is an integer number (971512416).

Almost surely, 212945190710 is an apocalyptic number.

12945190710 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12945190710 is an abundant number, since it is smaller than the sum of its proper divisors (18143206602).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12945190710 is a wasteful number, since it uses less digits than its factorization.

12945190710 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276948.

The product of its (nonzero) digits is 22680, while the sum is 39.

The spelling of 12945190710 in words is "twelve billion, nine hundred forty-five million, one hundred ninety thousand, seven hundred ten".

Divisors: 1 2 3 5 6 10 15 30 1567 3134 4701 7835 9402 15670 23505 47010 275371 550742 826113 1376855 1652226 2753710 4130565 8261130 431506357 863012714 1294519071 2157531785 2589038142 4315063570 6472595355 12945190710