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22553234140 = 2259191227053
BaseRepresentation
bin10101000000010001…
…110000101011011100
32011012202220000001011
4111000101300223130
5332142111443030
614205534025004
71425614220133
oct250021605334
964182800034
1022553234140
119623792688
124455048164
132185655578
14113d43291a
158beeaeb2a
hex540470adc

22553234140 has 24 divisors (see below), whose sum is σ = 47413366560. Its totient is φ = 9011469888.

The previous prime is 22553234101. The next prime is 22553234147. The reversal of 22553234140 is 4143235522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22553234147) 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, 595147 + ... + 631906.

It is an arithmetic number, because the mean of its divisors is an integer number (1975556940).

Almost surely, 222553234140 is an apocalyptic number.

22553234140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22553234140 is an abundant number, since it is smaller than the sum of its proper divisors (24860132420).

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

22553234140 is a wasteful number, since it uses less digits than its factorization.

22553234140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1227981 (or 1227979 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 22553234140 its reverse (4143235522), we get a palindrome (26696469662).

The spelling of 22553234140 in words is "twenty-two billion, five hundred fifty-three million, two hundred thirty-four thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 919 1838 3676 4595 9190 18380 1227053 2454106 4908212 6135265 12270530 24541060 1127661707 2255323414 4510646828 5638308535 11276617070 22553234140