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7630934836 = 22722910712547
BaseRepresentation
bin1110001101101011…
…01101001100110100
3201200210221122200011
413012311231030310
5111112004403321
63301113230004
7360046606300
oct70665551464
921623848604
107630934836
113266511318
12158b702304
13947c43175
14525676d00
152e9de7ae1
hex1c6d6d334

7630934836 has 72 divisors (see below), whose sum is σ = 16221552480. Its totient is φ = 3127868352.

The previous prime is 7630934819. The next prime is 7630934837. The reversal of 7630934836 is 6384390367.

It is a super-3 number, since 3×76309348363 (a number of 31 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a self number, because there is not a number n which added to its sum of digits gives 7630934836.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7630934837) 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, 601915 + ... + 614461.

It is an arithmetic number, because the mean of its divisors is an integer number (225299340).

Almost surely, 27630934836 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7630934836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8110776240).

7630934836 is an abundant number, since it is smaller than the sum of its proper divisors (8590617644).

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

7630934836 is a wasteful number, since it uses less digits than its factorization.

7630934836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12701 (or 12692 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 49.

The square root of 7630934836 is about 87355.2221449868. Note that the first 3 decimals coincide. The cubic root of 7630934836 is about 1968.7591140977.

The spelling of 7630934836 in words is "seven billion, six hundred thirty million, nine hundred thirty-four thousand, eight hundred thirty-six".

Divisors: 1 2 4 7 14 28 29 49 58 98 107 116 196 203 214 406 428 749 812 1421 1498 2842 2996 3103 5243 5684 6206 10486 12412 12547 20972 21721 25094 43442 50188 86884 87829 152047 175658 304094 351316 363863 608188 614803 727726 1229606 1342529 1455452 2459212 2547041 2685058 5094082 5370116 9397703 10188164 17829287 18795406 35658574 37590812 38933341 65783921 71317148 77866682 131567842 155733364 263135684 272533387 545066774 1090133548 1907733709 3815467418 7630934836