Search a number
-
+
268435870252 = 221128321557651
BaseRepresentation
bin1111101000000000000…
…1100101001000101100
3221122212202110002201121
43322000001211020230
513344224040322002
6323152344150324
725252043151424
oct3720001451054
9848782402647
10268435870252
11a3930061460
12440367683a4
131c40c6ac964
14cdc709d484
156eb15be237
hex3e8006522c

268435870252 has 24 divisors (see below), whose sum is σ = 514279346112. Its totient is φ = 121585146000.

The previous prime is 268435870247. The next prime is 268435870259. The reversal of 268435870252 is 252078534862.

It is a self number, because there is not a number n which added to its sum of digits gives 268435870252.

It is not an unprimeable number, because it can be changed into a prime (268435870259) 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, 10766374 + ... + 10791277.

It is an arithmetic number, because the mean of its divisors is an integer number (21428306088).

Almost surely, 2268435870252 is an apocalyptic number.

268435870252 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

268435870252 is a deficient number, since it is larger than the sum of its proper divisors (245843475860).

268435870252 is a wasteful number, since it uses less digits than its factorization.

268435870252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21557949 (or 21557947 counting only the distinct ones).

The product of its (nonzero) digits is 6451200, while the sum is 52.

The spelling of 268435870252 in words is "two hundred sixty-eight billion, four hundred thirty-five million, eight hundred seventy thousand, two hundred fifty-two".

Divisors: 1 2 4 11 22 44 283 566 1132 3113 6226 12452 21557651 43115302 86230604 237134161 474268322 948536644 6100815233 12201630466 24403260932 67108967563 134217935126 268435870252