Search a number
-
+
72052820476 = 2273134039741
BaseRepresentation
bin100001100011010101…
…1101100100111111100
320212222111002112011121
41003012223230213330
52140031010223401
653033422000324
75130351604000
oct1030653544774
9225874075147
1072052820476
1128614a3651a
1211b6a4160a4
136a43826b20
1436b7500700
151d1a958ca1
hex10c6aec9fc

72052820476 has 48 divisors (see below), whose sum is σ = 158357886400. Its totient is φ = 28504405440.

The previous prime is 72052820473. The next prime is 72052820479. The reversal of 72052820476 is 67402825027.

It is an interprime number because it is at equal distance from previous prime (72052820473) and next prime (72052820479).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72052820473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2002035 + ... + 2037706.

Almost surely, 272052820476 is an apocalyptic number.

It is an amenable number.

72052820476 is an abundant number, since it is smaller than the sum of its proper divisors (86305065924).

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

72052820476 is a wasteful number, since it uses less digits than its factorization.

72052820476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4039779 (or 4039763 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 43.

The spelling of 72052820476 in words is "seventy-two billion, fifty-two million, eight hundred twenty thousand, four hundred seventy-six".

Divisors: 1 2 4 7 13 14 26 28 49 52 91 98 182 196 343 364 637 686 1274 1372 2548 4459 8918 17836 4039741 8079482 16158964 28278187 52516633 56556374 105033266 113112748 197947309 210066532 367616431 395894618 735232862 791789236 1385631163 1470465724 2573315017 2771262326 5146630034 5542524652 10293260068 18013205119 36026410238 72052820476