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49612982420 = 2252480649121
BaseRepresentation
bin101110001101001010…
…100000100010010100
311202001121120122022102
4232031022200202110
51303101410414140
634443014221232
73404312251421
oct561512404224
9152047518272
1049612982420
111a04a265011
129747354818
1348a8825641
142589188d48
1514558e7e15
hexb8d2a0894

49612982420 has 12 divisors (see below), whose sum is σ = 104187263124. Its totient is φ = 19845192960.

The previous prime is 49612982417. The next prime is 49612982443. The reversal of 49612982420 is 2428921694.

It can be written as a sum of positive squares in 2 ways, for example, as 35511894916 + 14101087504 = 188446^2 + 118748^2 .

It is a super-2 number, since 2×496129824202 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1240324541 + ... + 1240324580.

It is an arithmetic number, because the mean of its divisors is an integer number (8682271927).

Almost surely, 249612982420 is an apocalyptic number.

It is an amenable number.

49612982420 is an abundant number, since it is smaller than the sum of its proper divisors (54574280704).

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

49612982420 is a wasteful number, since it uses less digits than its factorization.

49612982420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2480649130 (or 2480649128 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 47.

The spelling of 49612982420 in words is "forty-nine billion, six hundred twelve million, nine hundred eighty-two thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 2480649121 4961298242 9922596484 12403245605 24806491210 49612982420