Search a number
-
+
102906644870 = 2510290664487
BaseRepresentation
bin101111111010110110…
…1101100100110000110
3100211121202000012102102
41133311231230212012
53141223100113440
6115135154312102
710302060022541
oct1376555544606
9324552005372
10102906644870
113a708133447
1217b3b288632
13991ca68b53
144da30c5858
152a244dcb15
hex17f5b6c986

102906644870 has 8 divisors (see below), whose sum is σ = 185231960784. Its totient is φ = 41162657944.

The previous prime is 102906644851. The next prime is 102906644881. The reversal of 102906644870 is 78446609201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5145332234 + ... + 5145332253.

It is an arithmetic number, because the mean of its divisors is an integer number (23153995098).

Almost surely, 2102906644870 is an apocalyptic number.

102906644870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102906644870 is a deficient number, since it is larger than the sum of its proper divisors (82325315914).

102906644870 is a wasteful number, since it uses less digits than its factorization.

102906644870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10290664494.

The product of its (nonzero) digits is 580608, while the sum is 47.

The spelling of 102906644870 in words is "one hundred two billion, nine hundred six million, six hundred forty-four thousand, eight hundred seventy".

Divisors: 1 2 5 10 10290664487 20581328974 51453322435 102906644870