Search a number
-
+
102622236621240 = 23357557440949747
BaseRepresentation
bin10111010101010110011001…
…111101011011100110111000
3111110100120221010010211112110
4113111112121331123212320
5101422330320033334430
61002132001002012320
730421132455515010
oct2725263175334670
9443316833124473
10102622236621240
112a775934242186
12b614a634a70a0
13453530a1c675b
141b4ad2acbcc40
15bce68e8d87b0
hex5d5599f5b9b8

102622236621240 has 256 divisors, whose sum is σ = 352566384307200. Its totient is φ = 23408617844736.

The previous prime is 102622236621209. The next prime is 102622236621293. The reversal of 102622236621240 is 42126632226201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2062858047 + ... + 2062907793.

It is an arithmetic number, because the mean of its divisors is an integer number (1377212438700).

Almost surely, 2102622236621240 is an apocalyptic number.

102622236621240 is a gapful number since it is divisible by the number (10) 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 102622236621240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176283192153600).

102622236621240 is an abundant number, since it is smaller than the sum of its proper divisors (249944147685960).

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

102622236621240 is a wasteful number, since it uses less digits than its factorization.

102622236621240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54734 (or 54730 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 39.

Adding to 102622236621240 its reverse (42126632226201), we get a palindrome (144748868847441).

The spelling of 102622236621240 in words is "one hundred two trillion, six hundred twenty-two billion, two hundred thirty-six million, six hundred twenty-one thousand, two hundred forty".