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4894641972 = 22331117242357
BaseRepresentation
bin1001000111011111…
…00100111100110100
3110122010010120112000
410203233210330310
540011012020342
62125405055300
7232202525133
oct44357447464
913563116460
104894641972
112091996a60
12b47257530
1360009036c
143460b791a
151d9a9444c
hex123be4f34

4894641972 has 96 divisors (see below), whose sum is σ = 14657811840. Its totient is φ = 1395970560.

The previous prime is 4894641971. The next prime is 4894641979. The reversal of 4894641972 is 2791464984.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4894641971) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 100983 + ... + 141374.

It is an arithmetic number, because the mean of its divisors is an integer number (152685540).

Almost surely, 24894641972 is an apocalyptic number.

It is an amenable number.

4894641972 is an abundant number, since it is smaller than the sum of its proper divisors (9763169868).

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

4894641972 is a wasteful number, since it uses less digits than its factorization.

4894641972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242398 (or 242390 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 54.

The square root of 4894641972 is about 69961.7179034363. The cubic root of 4894641972 is about 1697.8799375708.

The spelling of 4894641972 in words is "four billion, eight hundred ninety-four million, six hundred forty-one thousand, nine hundred seventy-two".

Divisors: 1 2 3 4 6 9 11 12 17 18 22 27 33 34 36 44 51 54 66 68 99 102 108 132 153 187 198 204 297 306 374 396 459 561 594 612 748 918 1122 1188 1683 1836 2244 3366 5049 6732 10098 20196 242357 484714 727071 969428 1454142 2181213 2665927 2908284 4120069 4362426 5331854 6543639 7997781 8240138 8724852 10663708 12360207 13087278 15995562 16480276 23993343 24720414 26174556 31991124 37080621 45320759 47986686 49440828 71980029 74161242 90641518 95973372 111241863 135962277 143960058 148322484 181283036 222483726 271924554 287920116 407886831 444967452 543849108 815773662 1223660493 1631547324 2447320986 4894641972