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210013031202030 = 23657237116715091
BaseRepresentation
bin101111110000000101111000…
…000111110111110011101110
31000112121001100020100222000000
4233300011320013313303232
5210011323141441431110
62022354353222245130
762143640456242560
oct5760057007676356
91015531306328000
10210013031202030
1160a0a0320a3321
121b679b232867a6
1390251b40c2224
1439c09836c1330
151942dc30491c0
hexbf01781f7cee

210013031202030 has 896 divisors, whose sum is σ = 689576528019456. Its totient is φ = 44995135046400.

The previous prime is 210013031201969. The next prime is 210013031202059. The reversal of 210013031202030 is 30202130310012.

210013031202030 is a `hidden beast` number, since 21 + 0 + 0 + 130 + 312 + 0 + 203 + 0 = 666.

It is a super-2 number, since 2×2100130312020302 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 210013031201994 and 210013031202012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 447 ways as a sum of consecutive naturals, for example, 13916434785 + ... + 13916449875.

It is an arithmetic number, because the mean of its divisors is an integer number (769616660736).

Almost surely, 2210013031202030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 210013031202030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (344788264009728).

210013031202030 is an abundant number, since it is smaller than the sum of its proper divisors (479563496817426).

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

210013031202030 is a wasteful number, since it uses less digits than its factorization.

210013031202030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15384 (or 15369 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 210013031202030 its reverse (30202130310012), we get a palindrome (240215161512042).

The spelling of 210013031202030 in words is "two hundred ten trillion, thirteen billion, thirty-one million, two hundred two thousand, thirty".