Search a number
-
+
13277825920800 = 25345272191271733
BaseRepresentation
bin1100000100110111110000…
…0110001110111100100000
31202000100101111222121210000
43001031330012032330200
53220020441413431200
644123425442140000
72540201622066600
oct301157406167440
952010344877700
1013277825920800
11425a104642101
1215a53b9051600
1375412a8850ac
1433c916230c00
151805c02cd300
hexc137c18ef20

13277825920800 has 2160 divisors, whose sum is σ = 59793162992640. Its totient is φ = 2850913013760.

The previous prime is 13277825920783. The next prime is 13277825920813. The reversal of 13277825920800 is 802952877231.

It is a tau number, because it is divible by the number of its divisors (2160).

It is a super-2 number, since 2×132778259208002 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 359 ways as a sum of consecutive naturals, for example, 7661756734 + ... + 7661758466.

It is an arithmetic number, because the mean of its divisors is an integer number (27682019904).

Almost surely, 213277825920800 is an apocalyptic number.

13277825920800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13277825920800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29896581496320).

13277825920800 is an abundant number, since it is smaller than the sum of its proper divisors (46515337071840).

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

13277825920800 is a wasteful number, since it uses less digits than its factorization.

13277825920800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1925 (or 1896 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 54.

The spelling of 13277825920800 in words is "thirteen trillion, two hundred seventy-seven billion, eight hundred twenty-five million, nine hundred twenty thousand, eight hundred".