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23100044143220 = 22511172360940337
BaseRepresentation
bin1010100000010011001011…
…11011001110101001110100
310000210100020210102211110122
411100021211323032221310
511011432342300040340
6121044002550511112
74602631425326642
oct520114573165164
9100710223384418
1023100044143220
1173a674577a310
122710b3a065498
13cb742b80aa05
1459c095dc6192
152a0d42633db5
hex150265ecea74

23100044143220 has 48 divisors (see below), whose sum is σ = 52950815926848. Its totient is φ = 8395140687360.

The previous prime is 23100044143177. The next prime is 23100044143229. The reversal of 23100044143220 is 2234144000132.

It is a super-2 number, since 2×231000441432202 (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23100044143220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23100044143229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30091109 + ... + 30849228.

It is an arithmetic number, because the mean of its divisors is an integer number (1103141998476).

Almost surely, 223100044143220 is an apocalyptic number.

23100044143220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23100044143220 is an abundant number, since it is smaller than the sum of its proper divisors (29850771783628).

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

23100044143220 is a wasteful number, since it uses less digits than its factorization.

23100044143220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60942080 (or 60942078 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 23100044143220 its reverse (2234144000132), we get a palindrome (25334188143352).

The spelling of 23100044143220 in words is "twenty-three trillion, one hundred billion, forty-four million, one hundred forty-three thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 1723 3446 6892 8615 17230 18953 34460 37906 75812 94765 189530 379060 60940337 121880674 243761348 304701685 609403370 670343707 1218806740 1340687414 2681374828 3351718535 6703437070 13406874140 105000200651 210000401302 420000802604 525001003255 1050002006510 1155002207161 2100004013020 2310004414322 4620008828644 5775011035805 11550022071610 23100044143220