Search a number
-
+
13277145261 = 319232932373
BaseRepresentation
bin11000101110110000…
…10010100010101101
31021021022021212021210
430113120102202231
5204142422122021
610033251145033
7650006605212
oct142730224255
937238255253
1013277145261
1156a3669826
1226a65a5179
131337929b93
148dd4adb09
1552a948e76
hex3176128ad

13277145261 has 8 divisors (see below), whose sum is σ = 18634589920. Its totient is φ = 8385565392.

The previous prime is 13277145257. The next prime is 13277145281. The reversal of 13277145261 is 16254177231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13277145261 - 22 = 13277145257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13277145241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116466130 + ... + 116466243.

It is an arithmetic number, because the mean of its divisors is an integer number (2329323740).

Almost surely, 213277145261 is an apocalyptic number.

It is an amenable number.

13277145261 is a deficient number, since it is larger than the sum of its proper divisors (5357444659).

13277145261 is a wasteful number, since it uses less digits than its factorization.

13277145261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232932395.

The product of its digits is 70560, while the sum is 39.

The spelling of 13277145261 in words is "thirteen billion, two hundred seventy-seven million, one hundred forty-five thousand, two hundred sixty-one".

Divisors: 1 3 19 57 232932373 698797119 4425715087 13277145261