Search a number
-
+
23155150530525 = 3521333597070221
BaseRepresentation
bin1010100001111001110101…
…00001011010011111011101
310000222121111020211100121020
411100330322201122133131
511013333222013434100
6121125155043554353
74606622134024146
oct520747241323735
9100877436740536
1023155150530525
117418053903762
12271b75908b9b9
13cbc6a1478190
145a0a0298cacd
152a24ba4475a0
hex150f3a85a7dd

23155150530525 has 48 divisors (see below), whose sum is σ = 41240322117120. Its totient is φ = 11396063404800.

The previous prime is 23155150530521. The next prime is 23155150530557. The reversal of 23155150530525 is 52503505155132.

It is not a de Polignac number, because 23155150530525 - 22 = 23155150530521 is a prime.

It is a super-3 number, since 3×231551505305253 (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23155150530521) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 260086 + ... + 6810135.

It is an arithmetic number, because the mean of its divisors is an integer number (859173377440).

Almost surely, 223155150530525 is an apocalyptic number.

23155150530525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23155150530525 is a deficient number, since it is larger than the sum of its proper divisors (18085171586595).

23155150530525 is a wasteful number, since it uses less digits than its factorization.

23155150530525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7073606 (or 7073601 counting only the distinct ones).

The product of its (nonzero) digits is 562500, while the sum is 42.

Adding to 23155150530525 its reverse (52503505155132), we get a palindrome (75658655685657).

The spelling of 23155150530525 in words is "twenty-three trillion, one hundred fifty-five billion, one hundred fifty million, five hundred thirty thousand, five hundred twenty-five".

Divisors: 1 3 5 13 15 25 39 65 75 195 325 975 3359 10077 16795 43667 50385 83975 131001 218335 251925 655005 1091675 3275025 7070221 21210663 35351105 91912873 106053315 176755525 275738619 459564365 530266575 1378693095 2297821825 6893465475 23748872339 71246617017 118744361695 308735340407 356233085085 593721808475 926206021221 1543676702035 1781165425425 4631030106105 7718383510175 23155150530525