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5031074640 = 243520962811
BaseRepresentation
bin1001010111110000…
…00001101101010000
3110222121212001221210
410223320001231100
540300423342030
62151121220120
7235450300044
oct45370015520
913877761853
105031074640
112151a01929
12b84a91640
1362241ba57
1435a270024
151e6a43bb0
hex12be01b50

5031074640 has 40 divisors (see below), whose sum is σ = 15596332128. Its totient is φ = 1341619840.

The previous prime is 5031074611. The next prime is 5031074641. The reversal of 5031074640 is 464701305.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×50310746402 = 50623424066502259200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 5031074598 and 5031074607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5031074641) 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, 10481166 + ... + 10481645.

Almost surely, 25031074640 is an apocalyptic number.

It is an amenable number.

5031074640 is an abundant number, since it is smaller than the sum of its proper divisors (10565257488).

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

5031074640 is a wasteful number, since it uses less digits than its factorization.

5031074640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20962827 (or 20962821 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 5031074640 is about 70930.0686592083. The cubic root of 5031074640 is about 1713.5110923315.

Adding to 5031074640 its reverse (464701305), we get a palindrome (5495775945).

The spelling of 5031074640 in words is "five billion, thirty-one million, seventy-four thousand, six hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 20962811 41925622 62888433 83851244 104814055 125776866 167702488 209628110 251553732 314442165 335404976 419256220 503107464 628884330 838512440 1006214928 1257768660 1677024880 2515537320 5031074640