Search a number
-
+
2100211312030 = 251321242728587
BaseRepresentation
bin11110100011111110010…
…110010110010110011110
321102210000100002221211021
4132203332112112112132
5233402213043441110
64244453533114354
7304510123413436
oct36437626262636
97383010087737
102100211312030
1173a770595827
1229b0506289ba
13123083a8bc00
14739179d92c6
1539970a582da
hex1e8fe59659e

2100211312030 has 24 divisors (see below), whose sum is σ = 4093547968872. Its totient is φ = 775462637664.

The previous prime is 2100211312013. The next prime is 2100211312057. The reversal of 2100211312030 is 302131120012.

It is a junction number, because it is equal to n+sod(n) for n = 2100211311995 and 2100211312013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 621362604 + ... + 621365983.

It is an arithmetic number, because the mean of its divisors is an integer number (170564498703).

Almost surely, 22100211312030 is an apocalyptic number.

2100211312030 is a deficient number, since it is larger than the sum of its proper divisors (1993336656842).

2100211312030 is a wasteful number, since it uses less digits than its factorization.

2100211312030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1242728620 (or 1242728607 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 2100211312030 its reverse (302131120012), we get a palindrome (2402342432042).

The spelling of 2100211312030 in words is "two trillion, one hundred billion, two hundred eleven million, three hundred twelve thousand, thirty".

Divisors: 1 2 5 10 13 26 65 130 169 338 845 1690 1242728587 2485457174 6213642935 12427285870 16155471631 32310943262 80777358155 161554716310 210021131203 420042262406 1050105656015 2100211312030