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13972358400 = 2835271113727
BaseRepresentation
bin11010000001101000…
…10100010100000000
31100001202110100102120
431000310110110000
5212103410432100
610230244044240
71003151041530
oct150064242400
940052410376
1013972358400
115a20039740
12285b393680
1314189814c0
1496795d4c0
1556b9c30a0
hex340d14500

13972358400 has 864 divisors, whose sum is σ = 61997365248. Its totient is φ = 2676326400.

The previous prime is 13972358383. The next prime is 13972358401. The reversal of 13972358400 is 485327931.

It is a super-3 number, since 3×139723584003 (a number of 31 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13972358401) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 19218837 + ... + 19219563.

Almost surely, 213972358400 is an apocalyptic number.

13972358400 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 13972358400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30998682624).

13972358400 is an abundant number, since it is smaller than the sum of its proper divisors (48025006848).

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

13972358400 is a wasteful number, since it uses less digits than its factorization.

13972358400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787 (or 768 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 42.

The spelling of 13972358400 in words is "thirteen billion, nine hundred seventy-two million, three hundred fifty-eight thousand, four hundred".