Search a number
-
+
1250071252660 = 225278232246471
BaseRepresentation
bin10010001100001110000…
…011011000111010110100
311102111122121121021212201
4102030032003120322310
5130440121220041120
62354135205154244
7156212634220336
oct22141603307264
94374577537781
101250071252660
114421746a633a
121823323bb984
1390b5c044469
144470a4c5456
15227b595740a
hex1230e0d8eb4

1250071252660 has 24 divisors (see below), whose sum is σ = 2625245150976. Its totient is φ = 500010306720.

The previous prime is 1250071252603. The next prime is 1250071252663. The reversal of 1250071252660 is 662521700521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1250071252663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 566776 + ... + 1679695.

It is an arithmetic number, because the mean of its divisors is an integer number (109385214624).

Almost surely, 21250071252660 is an apocalyptic number.

1250071252660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1250071252660 is an abundant number, since it is smaller than the sum of its proper divisors (1375173898316).

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

1250071252660 is a wasteful number, since it uses less digits than its factorization.

1250071252660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2274303 (or 2274301 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 37.

The spelling of 1250071252660 in words is "one trillion, two hundred fifty billion, seventy-one million, two hundred fifty-two thousand, six hundred sixty".

Divisors: 1 2 4 5 10 20 27823 55646 111292 139115 278230 556460 2246471 4492942 8985884 11232355 22464710 44929420 62503562633 125007125266 250014250532 312517813165 625035626330 1250071252660