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10211012100000 = 253255372391283
BaseRepresentation
bin1001010010010110111110…
…1111111011111110100000
31100011011101222201120122100
42110211233233323332200
52314244123044200000
633414512454410400
72102502253531155
oct224455757737640
940134358646570
1010211012100000
113287514147a08
12118ab67360a00
13590b81a4a6aa
1427430395022c
1512a92a046a00
hex9496fbfbfa0

10211012100000 has 864 divisors, whose sum is σ = 37460709861120. Its totient is φ = 2636202240000.

The previous prime is 10211012099999. The next prime is 10211012100053. The reversal of 10211012100000 is 121011201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 7958699359 + ... + 7958700641.

It is an arithmetic number, because the mean of its divisors is an integer number (43357303080).

Almost surely, 210211012100000 is an apocalyptic number.

10211012100000 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 10211012100000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18730354930560).

10211012100000 is an abundant number, since it is smaller than the sum of its proper divisors (27249697761120).

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

10211012100000 is a wasteful number, since it uses less digits than its factorization.

10211012100000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1600 (or 1569 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 10211012100000 its reverse (121011201), we get a palindrome (10211133111201).

The spelling of 10211012100000 in words is "ten trillion, two hundred eleven billion, twelve million, one hundred thousand".