Search a number
-
+
10201111202120 = 2351269232009311
BaseRepresentation
bin1001010001110010000110…
…0111000000100101001000
31100010012211222102212001212
42110130201213000211020
52314113333431431440
633410154212032252
72102002021351526
oct224344147004510
940105758385055
1010201111202120
1132832a3370883
121189063602688
1358cc6474b137
14273a44a27316
1512a54ac12465
hex947219c0948

10201111202120 has 32 divisors (see below), whose sum is σ = 22952692465920. Its totient is φ = 4080410301120.

The previous prime is 10201111202119. The next prime is 10201111202147. The reversal of 10201111202120 is 2120211110201.

It is a junction number, because it is equal to n+sod(n) for n = 10201111202095 and 10201111202104.

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, 4072265 + ... + 6081575.

It is an arithmetic number, because the mean of its divisors is an integer number (717271639560).

Almost surely, 210201111202120 is an apocalyptic number.

10201111202120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10201111202120 is an abundant number, since it is smaller than the sum of its proper divisors (12751581263800).

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

10201111202120 is a wasteful number, since it uses less digits than its factorization.

10201111202120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2136245 (or 2136241 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 10201111202120 its reverse (2120211110201), we get a palindrome (12321322312321).

The spelling of 10201111202120 in words is "ten trillion, two hundred one billion, one hundred eleven million, two hundred two thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 126923 253846 507692 634615 1015384 1269230 2009311 2538460 4018622 5076920 8037244 10046555 16074488 20093110 40186220 80372440 255027780053 510055560106 1020111120212 1275138900265 2040222240424 2550277800530 5100555601060 10201111202120