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10102101200 = 245272734739
BaseRepresentation
bin10010110100010000…
…11101010011010000
3222002000212220122022
421122020131103100
5131142114214300
64350231031012
7505224305042
oct113210352320
928060786568
1010102101200
114314411174
121b5b20b468
13c4cbb8499
146bb93da92
153e1d2a285
hex25a21d4d0

10102101200 has 60 divisors (see below), whose sum is σ = 24304381920. Its totient is φ = 4035166080.

The previous prime is 10102101197. The next prime is 10102101209. The reversal of 10102101200 is 210120101.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10102101209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 273431 + ... + 308169.

It is an arithmetic number, because the mean of its divisors is an integer number (405073032).

Almost surely, 210102101200 is an apocalyptic number.

10102101200 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 10102101200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12152190960).

10102101200 is an abundant number, since it is smaller than the sum of its proper divisors (14202280720).

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

10102101200 is a wasteful number, since it uses less digits than its factorization.

10102101200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35484 (or 35473 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 10102101200 its reverse (210120101), we get a palindrome (10312221301).

The spelling of 10102101200 in words is "ten billion, one hundred two million, one hundred one thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 727 1454 2908 3635 5816 7270 11632 14540 18175 29080 34739 36350 58160 69478 72700 138956 145400 173695 277912 290800 347390 555824 694780 868475 1389560 1736950 2779120 3473900 6947800 13895600 25255253 50510506 101021012 126276265 202042024 252552530 404084048 505105060 631381325 1010210120 1262762650 2020420240 2525525300 5051050600 10102101200