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23033152340 = 22511531975399
BaseRepresentation
bin10101011100111000…
…100000001101010100
32012110012221101001022
4111130320200031110
5334132441333330
614325320220312
71443532364432
oct253470401524
965405841038
1023033152340
11984a6832a0
12456990a698
132230bc8c33
14118707bd52
158ec1acae5
hex55ce20354

23033152340 has 48 divisors (see below), whose sum is σ = 53762486400. Its totient is φ = 8217655680.

The previous prime is 23033152339. The next prime is 23033152349. The reversal of 23033152340 is 4325133032.

It is a happy number.

It is a super-2 number, since 2×230331523402 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23033152349) 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, 976040 + ... + 999359.

It is an arithmetic number, because the mean of its divisors is an integer number (1120051800).

Almost surely, 223033152340 is an apocalyptic number.

23033152340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23033152340 is an abundant number, since it is smaller than the sum of its proper divisors (30729334060).

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

23033152340 is a wasteful number, since it uses less digits than its factorization.

23033152340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1975472 (or 1975470 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 26.

Adding to 23033152340 its reverse (4325133032), we get a palindrome (27358285372).

The spelling of 23033152340 in words is "twenty-three billion, thirty-three million, one hundred fifty-two thousand, three hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 53 55 106 110 212 220 265 530 583 1060 1166 2332 2915 5830 11660 1975399 3950798 7901596 9876995 19753990 21729389 39507980 43458778 86917556 104696147 108646945 209392294 217293890 418784588 434587780 523480735 1046961470 1151657617 2093922940 2303315234 4606630468 5758288085 11516576170 23033152340