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1387136364900 = 223521121319712179
BaseRepresentation
bin10100001011110111110…
…001010011000101100100
311220121102220210102111020
4110023313301103011210
5140211323402134100
62541124110211140
7202134350362506
oct24136761230544
94817386712436
101387136364900
11495310351900
121a4a051b3ab0
13a0a6386ba80
144b1d0019d76
1526138b975a0
hex142f7c53164

1387136364900 has 864 divisors, whose sum is σ = 5073625267200. Its totient is φ = 289795968000.

The previous prime is 1387136364899. The next prime is 1387136364907. The reversal of 1387136364900 is 94636317831.

It is not an unprimeable number, because it can be changed into a prime (1387136364907) by changing a digit.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 636592011 + ... + 636594189.

Almost surely, 21387136364900 is an apocalyptic number.

1387136364900 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 1387136364900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2536812633600).

1387136364900 is an abundant number, since it is smaller than the sum of its proper divisors (3686488902300).

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

1387136364900 is a wasteful number, since it uses less digits than its factorization.

1387136364900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2321 (or 2303 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 51.

The spelling of 1387136364900 in words is "one trillion, three hundred eighty-seven billion, one hundred thirty-six million, three hundred sixty-four thousand, nine hundred".