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101221301140 = 22522322695359
BaseRepresentation
bin101111001000101000…
…0100111101110010100
3100200021021201212110021
41132101100213232110
53124300123114030
6114300031434524
710212233602141
oct1362120475624
9320237655407
10101221301140
1139a22870793
121774a985a44
13971185163b
144c833373c8
15297658197a
hex1791427b94

101221301140 has 24 divisors (see below), whose sum is σ = 213517946880. Its totient is φ = 40306955808.

The previous prime is 101221301101. The next prime is 101221301141. The reversal of 101221301140 is 41103122101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101221301141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11343220 + ... + 11352139.

It is an arithmetic number, because the mean of its divisors is an integer number (8896581120).

Almost surely, 2101221301140 is an apocalyptic number.

101221301140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101221301140 is an abundant number, since it is smaller than the sum of its proper divisors (112296645740).

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

101221301140 is a wasteful number, since it uses less digits than its factorization.

101221301140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22695591 (or 22695589 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 101221301140 its reverse (41103122101), we get a palindrome (142324423241).

The spelling of 101221301140 in words is "one hundred one billion, two hundred twenty-one million, three hundred one thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 223 446 892 1115 2230 4460 22695359 45390718 90781436 113476795 226953590 453907180 5061065057 10122130114 20244260228 25305325285 50610650570 101221301140