Search a number
-
+
2102011223130 = 23257132311158949
BaseRepresentation
bin11110100101101001101…
…000011101110001011010
321102221122202221220200100
4132211221220131301122
5233414404333120010
64245352311320230
7304602540410610
oct36455150356132
97387582856610
102102011223130
11740504599665
1229b473380076
131232ac94a670
1473a48a8b6b0
1539a28a952c0
hex1e969a1dc5a

2102011223130 has 192 divisors, whose sum is σ = 7018890278400. Its totient is φ = 424218567168.

The previous prime is 2102011223113. The next prime is 2102011223131. The reversal of 2102011223130 is 313221102012.

2102011223130 is a `hidden beast` number, since 210 + 20 + 1 + 122 + 313 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2102011223131) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5391105 + ... + 5767844.

It is an arithmetic number, because the mean of its divisors is an integer number (36556720200).

Almost surely, 22102011223130 is an apocalyptic number.

2102011223130 is an abundant number, since it is smaller than the sum of its proper divisors (4916879055270).

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

2102011223130 is a wasteful number, since it uses less digits than its factorization.

2102011223130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11159005 (or 11159002 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 2102011223130 its reverse (313221102012), we get a palindrome (2415232325142).

The spelling of 2102011223130 in words is "two trillion, one hundred two billion, eleven million, two hundred twenty-three thousand, one hundred thirty".