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49236771948 = 223713209921481
BaseRepresentation
bin101101110110101111…
…011000010001101100
311201002101200011120020
4231312233120101230
51301314103200243
634341414522140
73362063441040
oct556657302154
9151071604506
1049236771948
1119976968571
129661366350
1348488c32b0
142551218020
151432883283
hexb76bd846c

49236771948 has 96 divisors (see below), whose sum is σ = 141471859200. Its totient is φ = 12978731520.

The previous prime is 49236771923. The next prime is 49236771953. The reversal of 49236771948 is 84917763294.

It is a junction number, because it is equal to n+sod(n) for n = 49236771891 and 49236771900.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2281368 + ... + 2302848.

It is an arithmetic number, because the mean of its divisors is an integer number (1473665200).

Almost surely, 249236771948 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 49236771948, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70735929600).

49236771948 is an abundant number, since it is smaller than the sum of its proper divisors (92235087252).

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

49236771948 is a wasteful number, since it uses less digits than its factorization.

49236771948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23607 (or 23605 counting only the distinct ones).

The product of its digits is 18289152, while the sum is 60.

The spelling of 49236771948 in words is "forty-nine billion, two hundred thirty-six million, seven hundred seventy-one thousand, nine hundred forty-eight".

Divisors: 1 2 3 4 6 7 12 13 14 21 26 28 39 42 52 78 84 91 156 182 273 364 546 1092 2099 4198 6297 8396 12594 14693 21481 25188 27287 29386 42962 44079 54574 58772 64443 81861 85924 88158 109148 128886 150367 163722 176316 191009 257772 279253 300734 327444 382018 451101 558506 573027 601468 764036 837759 902202 1117012 1146054 1675518 1804404 1954771 2292108 3351036 3909542 5864313 7819084 11728626 23457252 45088619 90177238 135265857 180354476 270531714 315620333 541063428 586152047 631240666 946860999 1172304094 1262481332 1758456141 1893721998 2344608188 3516912282 3787443996 4103064329 7033824564 8206128658 12309192987 16412257316 24618385974 49236771948