Search a number
-
+
210051153454540 = 22518181577666667
BaseRepresentation
bin101111110000101001011000…
…011000101110010111001100
31000112201200202001010001012011
4233300221120120232113030
5210012434230241021130
62022424100122351004
762146460253114106
oct5760513030562714
91015650661101164
10210051153454540
1160a24215114932
121b6853a235b464
13902897b1326a8
1439c275c738576
151943da4c6b52a
hexbf0a5862e5cc

210051153454540 has 24 divisors (see below), whose sum is σ = 441131685018192. Its totient is φ = 84015839903040.

The previous prime is 210051153454531. The next prime is 210051153454567. The reversal of 210051153454540 is 45454351150012.

210051153454540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2100511534545402 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 210051153454493 and 210051153454502.

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, 288469714 + ... + 289196953.

It is an arithmetic number, because the mean of its divisors is an integer number (18380486875758).

Almost surely, 2210051153454540 is an apocalyptic number.

210051153454540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210051153454540 is an abundant number, since it is smaller than the sum of its proper divisors (231080531563652).

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

210051153454540 is a wasteful number, since it uses less digits than its factorization.

210051153454540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577684857 (or 577684855 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 40.

The spelling of 210051153454540 in words is "two hundred ten trillion, fifty-one billion, one hundred fifty-three million, four hundred fifty-four thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 18181 36362 72724 90905 181810 363620 577666667 1155333334 2310666668 2888333335 5776666670 11553333340 10502557672727 21005115345454 42010230690908 52512788363635 105025576727270 210051153454540