Search a number
-
+
102101416540 = 22535914220253
BaseRepresentation
bin101111100010110110…
…1111111101001011100
3100202112121211100210221
41133011231333221130
53133100430312130
6114523231411124
710243111502224
oct1370555775134
9322477740727
10102101416540
113a334651492
1217955683aa4
139821ca5296
144d28199084
1529c898187a
hex17c5b7fa5c

102101416540 has 24 divisors (see below), whose sum is σ = 215010240480. Its totient is φ = 40726801728.

The previous prime is 102101416489. The next prime is 102101416579. The reversal of 102101416540 is 45614101201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7102947 + ... + 7117306.

It is an arithmetic number, because the mean of its divisors is an integer number (8958760020).

Almost surely, 2102101416540 is an apocalyptic number.

102101416540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102101416540 is an abundant number, since it is smaller than the sum of its proper divisors (112908823940).

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

102101416540 is a wasteful number, since it uses less digits than its factorization.

102101416540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14220621 (or 14220619 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 25.

Adding to 102101416540 its reverse (45614101201), we get a palindrome (147715517741).

The spelling of 102101416540 in words is "one hundred two billion, one hundred one million, four hundred sixteen thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 359 718 1436 1795 3590 7180 14220253 28440506 56881012 71101265 142202530 284405060 5105070827 10210141654 20420283308 25525354135 51050708270 102101416540