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23121040361125 = 537106272486501
BaseRepresentation
bin1010100000111010010010…
…11001011100011010100101
310000212100110001112012202211
411100131021121130122211
511012303342313024000
6121101354224403421
74604303635253140
oct520351131343245
9100770401465684
1023121040361125
11740463a579613
122715019776571
13cb93c66ca1a5
1459d0c8713057
152a1670a857ba
hex15074965c6a5

23121040361125 has 32 divisors (see below), whose sum is σ = 32980325983488. Its totient is φ = 15852929400000.

The previous prime is 23121040361117. The next prime is 23121040361143. The reversal of 23121040361125 is 52116304012132.

It is not a de Polignac number, because 23121040361125 - 23 = 23121040361117 is a prime.

It is a super-2 number, since 2×231210403611252 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8055375 + ... + 10541875.

It is an arithmetic number, because the mean of its divisors is an integer number (1030635186984).

Almost surely, 223121040361125 is an apocalyptic number.

23121040361125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23121040361125 is a deficient number, since it is larger than the sum of its proper divisors (9859285622363).

23121040361125 is a wasteful number, since it uses less digits than its factorization.

23121040361125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2497150 (or 2497140 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

Adding to 23121040361125 its reverse (52116304012132), we get a palindrome (75237344373257).

The spelling of 23121040361125 in words is "twenty-three trillion, one hundred twenty-one billion, forty million, three hundred sixty-one thousand, one hundred twenty-five".

Divisors: 1 5 7 25 35 125 175 875 10627 53135 74389 265675 371945 1328375 1859725 2486501 9298625 12432505 17405507 62162525 87027535 310812625 435137675 2175688375 26424046127 132120230635 184968322889 660601153175 924841614445 3303005765875 4624208072225 23121040361125