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101200011000 = 233531127711071
BaseRepresentation
bin101111000111111111…
…1011001111011111000
3100200012210200012212120
41132033333121323320
53124224200323000
6114253551241240
710211554620564
oct1361777317370
9320183605776
10101200011000
1139a1184a130
1217743819220
13970a308c1a
144c805946a4
1529747786a0
hex178ffd9ef8

101200011000 has 256 divisors, whose sum is σ = 345722757120. Its totient is φ = 24442560000.

The previous prime is 101200010983. The next prime is 101200011041. The reversal of 101200011000 is 110002101.

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 self number, because there is not a number n which added to its sum of digits gives 101200011000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9135465 + ... + 9146535.

It is an arithmetic number, because the mean of its divisors is an integer number (1350479520).

Almost surely, 2101200011000 is an apocalyptic number.

101200011000 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 101200011000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172861378560).

101200011000 is an abundant number, since it is smaller than the sum of its proper divisors (244522746120).

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

101200011000 is a wasteful number, since it uses less digits than its factorization.

101200011000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11383 (or 11369 counting only the distinct ones).

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

Adding to 101200011000 its reverse (110002101), we get a palindrome (101310013101).

The spelling of 101200011000 in words is "one hundred one billion, two hundred million, eleven thousand".