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102415200000 = 28355139307
BaseRepresentation
bin101111101100001101…
…0111110111100000000
3100210100111021012210120
41133120122332330000
53134221242400000
6115014321100240
710253641556631
oct1373032767400
9323314235716
10102415200000
113a48578a663
1217a22787680
139871cbaa79
144d57b19888
1529e62b46a0
hex17d86bef00

102415200000 has 432 divisors, whose sum is σ = 344264215680. Its totient is φ = 27025920000.

The previous prime is 102415199989. The next prime is 102415200001. The reversal of 102415200000 is 2514201.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102415200001) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 333599847 + ... + 333600153.

Almost surely, 2102415200000 is an apocalyptic number.

102415200000 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 102415200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172132107840).

102415200000 is an abundant number, since it is smaller than the sum of its proper divisors (241849015680).

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

102415200000 is an frugal number, since it uses more digits than its factorization.

102415200000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490 (or 456 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

Adding to 102415200000 its reverse (2514201), we get a palindrome (102417714201).

The spelling of 102415200000 in words is "one hundred two billion, four hundred fifteen million, two hundred thousand".