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13210152012 = 2232787946573
BaseRepresentation
bin11000100110110001…
…01110110001001100
31021002122020020211100
430103120232301030
5204023244331022
610022455223100
7645234303501
oct142330566114
937078206740
1013210152012
115669871802
122688077a90
131326aa1ac5
148d46314a8
15524b141ac
hex31362ec4c

13210152012 has 36 divisors (see below), whose sum is σ = 33397283920. Its totient is φ = 4402730592.

The previous prime is 13210151993. The next prime is 13210152017. The reversal of 13210152012 is 21025101231.

13210152012 is a `hidden beast` number, since 1 + 32 + 101 + 520 + 12 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (13210152017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 260358 + ... + 306930.

Almost surely, 213210152012 is an apocalyptic number.

13210152012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13210152012 is an abundant number, since it is smaller than the sum of its proper divisors (20187131908).

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

13210152012 is a wasteful number, since it uses less digits than its factorization.

13210152012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54462 (or 54457 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

Adding to 13210152012 its reverse (21025101231), we get a palindrome (34235253243).

The spelling of 13210152012 in words is "thirteen billion, two hundred ten million, one hundred fifty-two thousand, twelve".

Divisors: 1 2 3 4 6 9 12 18 36 7879 15758 23637 31516 46573 47274 70911 93146 94548 139719 141822 186292 279438 283644 419157 558876 838314 1676628 366948667 733897334 1100846001 1467794668 2201692002 3302538003 4403384004 6605076006 13210152012