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48980253890 = 2531487324437
BaseRepresentation
bin101101100111011100…
…110101110011000010
311200102111222200221102
4231213130311303002
51300302421111030
634300132454402
73352530201011
oct554734656302
9150374880842
1048980253890
1119855092777
1295ab47a402
13480770ab69
142529122a78
15141a0b2c45
hexb67735cc2

48980253890 has 32 divisors (see below), whose sum is σ = 91195628544. Its totient is φ = 18921107520.

The previous prime is 48980253863. The next prime is 48980253893. The reversal of 48980253890 is 9835208984.

It is a super-2 number, since 2×489802538902 (a number of 22 digits) contains 22 as substring.

48980253890 is a modest number, since divided by 253890 gives 48980 as remainder.

It is not an unprimeable number, because it can be changed into a prime (48980253893) 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, 11249 + ... + 313188.

It is an arithmetic number, because the mean of its divisors is an integer number (2849863392).

Almost surely, 248980253890 is an apocalyptic number.

48980253890 is a deficient number, since it is larger than the sum of its proper divisors (42215374654).

48980253890 is a wasteful number, since it uses less digits than its factorization.

48980253890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324962.

The product of its (nonzero) digits is 4976640, while the sum is 56.

The spelling of 48980253890 in words is "forty-eight billion, nine hundred eighty million, two hundred fifty-three thousand, eight hundred ninety".

Divisors: 1 2 5 10 31 62 155 310 487 974 2435 4870 15097 30194 75485 150970 324437 648874 1622185 3244370 10057547 20115094 50287735 100575470 158000819 316001638 790004095 1580008190 4898025389 9796050778 24490126945 48980253890