Search a number
-
+
23996979383520 = 2535111317711072707
BaseRepresentation
bin1010111010011001110110…
…11011101000110011100000
310010222002101202022222202110
411131030323123220303200
511121131303210233040
6123012020553515320
75024503343145003
oct535147333506340
9103862352288673
1023996979383520
117712075297850
122836937a12b40
131050ba035a030
145cd66234953a
152b933aa78980
hex15d33b6e8ce0

23996979383520 has 1536 divisors, whose sum is σ = 96280533909504. Its totient is φ = 4934497075200.

The previous prime is 23996979383519. The next prime is 23996979383543. The reversal of 23996979383520 is 2538397969932.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 8864786007 + ... + 8864788713.

It is an arithmetic number, because the mean of its divisors is an integer number (62682639264).

Almost surely, 223996979383520 is an apocalyptic number.

23996979383520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23996979383520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48140266954752).

23996979383520 is an abundant number, since it is smaller than the sum of its proper divisors (72283554525984).

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

23996979383520 is a wasteful number, since it uses less digits than its factorization.

23996979383520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2944 (or 2936 counting only the distinct ones).

The product of its (nonzero) digits is 1190427840, while the sum is 75.

The spelling of 23996979383520 in words is "twenty-three trillion, nine hundred ninety-six billion, nine hundred seventy-nine million, three hundred eighty-three thousand, five hundred twenty".