Search a number
-
+
1210053665464 = 23731768164357
BaseRepresentation
bin10001100110111100110…
…100011010001010111000
311021200100201110020021121
4101212330310122022320
5124311142214243324
62323520241315024
7153265154310040
oct21467464321270
94250321406247
101210053665464
114271a9825826
12176624635a74
138a152444a97
14427d185a720
15217226495e4
hex119bcd1a2b8

1210053665464 has 32 divisors (see below), whose sum is σ = 2601151901280. Its totient is φ = 516958475904.

The previous prime is 1210053665449. The next prime is 1210053665473. The reversal of 1210053665464 is 4645663500121.

It is a self number, because there is not a number n which added to its sum of digits gives 1210053665464.

It is a congruent 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, 34064427 + ... + 34099930.

It is an arithmetic number, because the mean of its divisors is an integer number (81285996915).

Almost surely, 21210053665464 is an apocalyptic number.

1210053665464 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1210053665464 is an abundant number, since it is smaller than the sum of its proper divisors (1391098235816).

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

1210053665464 is a wasteful number, since it uses less digits than its factorization.

1210053665464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68164687 (or 68164683 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 43.

The spelling of 1210053665464 in words is "one trillion, two hundred ten billion, fifty-three million, six hundred sixty-five thousand, four hundred sixty-four".

Divisors: 1 2 4 7 8 14 28 56 317 634 1268 2219 2536 4438 8876 17752 68164357 136328714 272657428 477150499 545314856 954300998 1908601996 3817203992 21608101169 43216202338 86432404676 151256708183 172864809352 302513416366 605026832732 1210053665464