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13551672498672 = 24371161307195791
BaseRepresentation
bin1100010100110011111010…
…1000000001100111110000
31202222112020100122011000010
43011030332220001213300
53234012311124424142
644453315152454520
72566035035435160
oct305147650014760
952875210564003
1013551672498672
11435526091a250
12162a4a384a440
13773bc0213899
1434bc93b425a0
1518779b8cee9c
hexc533ea019f0

13551672498672 has 320 divisors, whose sum is σ = 44507199356928. Its totient is φ = 3450916224000.

The previous prime is 13551672498527. The next prime is 13551672498697. The reversal of 13551672498672 is 27689427615531.

It is a super-2 number, since 2×135516724986722 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 69117097 + ... + 69312887.

Almost surely, 213551672498672 is an apocalyptic number.

13551672498672 is a gapful number since it is divisible by the number (12) 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 13551672498672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22253599678464).

13551672498672 is an abundant number, since it is smaller than the sum of its proper divisors (30955526858256).

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

13551672498672 is a wasteful number, since it uses less digits than its factorization.

13551672498672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196188 (or 196182 counting only the distinct ones).

The product of its digits is 152409600, while the sum is 66.

The spelling of 13551672498672 in words is "thirteen trillion, five hundred fifty-one billion, six hundred seventy-two million, four hundred ninety-eight thousand, six hundred seventy-two".