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5149607990 = 257110966541
BaseRepresentation
bin1001100101111000…
…01100100000110110
3111021212220012010212
410302330030200312
541021244423430
62210553545422
7241416642242
oct46274144066
914255805125
105149607990
11220290177a
12bb8715272
13640b51227
1436bcc7422
15202159b95
hex132f0c836

5149607990 has 32 divisors (see below), whose sum is σ = 9486227520. Its totient is φ = 2012169600.

The previous prime is 5149607971. The next prime is 5149607993. The reversal of 5149607990 is 997069415.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5149607993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44120 + ... + 110660.

It is an arithmetic number, because the mean of its divisors is an integer number (296444610).

Almost surely, 25149607990 is an apocalyptic number.

5149607990 is a deficient number, since it is larger than the sum of its proper divisors (4336619530).

5149607990 is a wasteful number, since it uses less digits than its factorization.

5149607990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66728.

The product of its (nonzero) digits is 612360, while the sum is 50.

The square root of 5149607990 is about 71760.7691569704. The cubic root of 5149607990 is about 1726.8636851176.

The spelling of 5149607990 in words is "five billion, one hundred forty-nine million, six hundred seven thousand, nine hundred ninety".

Divisors: 1 2 5 10 71 109 142 218 355 545 710 1090 7739 15478 38695 66541 77390 133082 332705 665410 4724411 7252969 9448822 14505938 23622055 36264845 47244110 72529690 514960799 1029921598 2574803995 5149607990