Search a number
-
+
52219979028 = 22327297145591
BaseRepresentation
bin110000101000100011…
…011010010100010100
311222210022002210100100
4300220203122110110
51323421303312103
635553423214100
73526026332550
oct605043322424
9158708083310
1052219979028
11201678a9168
12a154447330
134c02978099
1427554cc860
15155970b5a3
hexc288da514

52219979028 has 72 divisors (see below), whose sum is σ = 156059729280. Its totient is φ = 14405509440.

The previous prime is 52219979027. The next prime is 52219979081. The reversal of 52219979028 is 82097991225.

52219979028 is a `hidden beast` number, since 522 + 1 + 9 + 9 + 7 + 90 + 28 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52219979027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3565488 + ... + 3580103.

It is an arithmetic number, because the mean of its divisors is an integer number (2167496240).

Almost surely, 252219979028 is an apocalyptic number.

52219979028 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

52219979028 is an abundant number, since it is smaller than the sum of its proper divisors (103839750252).

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

52219979028 is a wasteful number, since it uses less digits than its factorization.

52219979028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7145637 (or 7145632 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 54.

The spelling of 52219979028 in words is "fifty-two billion, two hundred nineteen million, nine hundred seventy-nine thousand, twenty-eight".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 29 36 42 58 63 84 87 116 126 174 203 252 261 348 406 522 609 812 1044 1218 1827 2436 3654 7308 7145591 14291182 21436773 28582364 42873546 50019137 64310319 85747092 100038274 128620638 150057411 200076548 207222139 257241276 300114822 414444278 450172233 600229644 621666417 828888556 900344466 1243332834 1450554973 1800688932 1864999251 2486665668 2901109946 3729998502 4351664919 5802219892 7459997004 8703329838 13054994757 17406659676 26109989514 52219979028