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101010002100 = 223527192133241
BaseRepresentation
bin101111000010010101…
…0100101000010110100
3100122201120010202122220
41132010222211002310
53123332030031400
6114223042522340
710204056565020
oct1360452450264
9318646122586
10101010002100
1139924570687
12176b00663b0
1396a9b3c417
144c63253380
152962c447a0
hex1784aa50b4

101010002100 has 216 divisors, whose sum is σ = 352513562688. Its totient is φ = 21872678400.

The previous prime is 101010002099. The next prime is 101010002111. The reversal of 101010002100 is 1200010101.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 691480 + ... + 824720.

Almost surely, 2101010002100 is an apocalyptic number.

101010002100 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 101010002100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176256781344).

101010002100 is an abundant number, since it is smaller than the sum of its proper divisors (251503560588).

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

101010002100 is a wasteful number, since it uses less digits than its factorization.

101010002100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133303 (or 133277 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 6.

Adding to 101010002100 its reverse (1200010101), we get a palindrome (102210012201).

The spelling of 101010002100 in words is "one hundred one billion, ten million, two thousand, one hundred".