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10212857088 = 283779139173
BaseRepresentation
bin10011000001011101…
…11101010100000000
3222100202021220011020
421200232331110000
5131403442411323
64405224545440
7511040565360
oct114056752400
928322256136
1010212857088
114370989765
121b90322280
13c69b26905
146cc5309a0
153eb906ae3
hex260bbd500

10212857088 has 288 divisors, whose sum is σ = 31866777600. Its totient is φ = 2843762688.

The previous prime is 10212857069. The next prime is 10212857089. The reversal of 10212857088 is 88075821201.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10212857089) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59033770 + ... + 59033942.

Almost surely, 210212857088 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10212857088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15933388800).

10212857088 is an abundant number, since it is smaller than the sum of its proper divisors (21653920512).

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

10212857088 is a wasteful number, since it uses less digits than its factorization.

10212857088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417 (or 403 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 42.

The spelling of 10212857088 in words is "ten billion, two hundred twelve million, eight hundred fifty-seven thousand, eighty-eight".