Search a number
-
+
2151102807 = 327233793917
BaseRepresentation
bin1000000000110111…
…0011100101010111
312112220200100022100
42000031303211113
513401140242212
6553241333143
7104210033520
oct20015634527
95486610270
102151102807
11a04272417
125004971b3
132838711c9
1416598d847
15c8cadbdc
hex80373957

2151102807 has 48 divisors (see below), whose sum is σ = 3716144640. Its totient is φ = 1172356416.

The previous prime is 2151102799. The next prime is 2151102817. The reversal of 2151102807 is 7082011512.

It is not a de Polignac number, because 2151102807 - 23 = 2151102799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2151102817) 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, 547213 + ... + 551129.

It is an arithmetic number, because the mean of its divisors is an integer number (77419680).

Almost surely, 22151102807 is an apocalyptic number.

2151102807 is a deficient number, since it is larger than the sum of its proper divisors (1565041833).

2151102807 is a wasteful number, since it uses less digits than its factorization.

2151102807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4332 (or 4329 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 27.

The square root of 2151102807 is about 46379.9828266462. The cubic root of 2151102807 is about 1290.8835176922.

The spelling of 2151102807 in words is "two billion, one hundred fifty-one million, one hundred two thousand, eight hundred seven".

Divisors: 1 3 7 9 21 23 63 69 161 207 379 483 1137 1449 2653 3411 3917 7959 8717 11751 23877 26151 27419 35253 61019 78453 82257 90091 183057 246771 270273 549171 630637 810819 1484543 1891911 4453629 5675733 10391801 13360887 31175403 34144489 93526209 102433467 239011423 307300401 717034269 2151102807