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202142100000 = 253553718211
BaseRepresentation
bin1011110001000010011…
…0111010101000100000
3201022202122000122021110
42330100212322220200
511302441334200000
6232510210423320
720414161333341
oct2742046725040
9638678018243
10202142100000
1178800a44685
1233214b91b40
13160a605a679
149ad87aa0c8
1553d1555850
hex2f109baa20

202142100000 has 288 divisors, whose sum is σ = 681199025472. Its totient is φ = 52444800000.

The previous prime is 202142099987. The next prime is 202142100089. The reversal of 202142100000 is 1241202.

It is a super-2 number, since 2×2021421000002 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11090895 + ... + 11109105.

It is an arithmetic number, because the mean of its divisors is an integer number (2365274394).

Almost surely, 2202142100000 is an apocalyptic number.

202142100000 is a gapful number since it is divisible by the number (20) 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 202142100000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (340599512736).

202142100000 is an abundant number, since it is smaller than the sum of its proper divisors (479056925472).

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

202142100000 is an equidigital number, since it uses as much as digits as its factorization.

202142100000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18286 (or 18258 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 202142100000 its reverse (1241202), we get a palindrome (202143341202).

The spelling of 202142100000 in words is "two hundred two billion, one hundred forty-two million, one hundred thousand".