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47750439040 = 275536721011
BaseRepresentation
bin101100011110001001…
…011110000010000000
311120020210212122010021
4230132021132002000
51240243103022130
633534121343224
73310205014663
oct543611360200
9146223778107
1047750439040
1119283972667
129307637b14
13466c9a7a75
14244da716da
15139713837a
hexb1e25e080

47750439040 has 128 divisors (see below), whose sum is σ = 118048777920. Its totient is φ = 18459217920.

The previous prime is 47750439017. The next prime is 47750439047. The reversal of 47750439040 is 4093405774.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×477504390402 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (47750439047) 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, 2262135 + ... + 2283145.

Almost surely, 247750439040 is an apocalyptic number.

47750439040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47750439040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59024388960).

47750439040 is an abundant number, since it is smaller than the sum of its proper divisors (70298338880).

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

47750439040 is a wasteful number, since it uses less digits than its factorization.

47750439040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21150 (or 21138 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 43.

The spelling of 47750439040 in words is "forty-seven billion, seven hundred fifty million, four hundred thirty-nine thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 53 64 67 80 106 128 134 160 212 265 268 320 335 424 530 536 640 670 848 1060 1072 1340 1696 2120 2144 2680 3392 3551 4240 4288 5360 6784 7102 8480 8576 10720 14204 16960 17755 21011 21440 28408 33920 35510 42022 42880 56816 71020 84044 105055 113632 142040 168088 210110 227264 284080 336176 420220 454528 568160 672352 840440 1113583 1136320 1344704 1407737 1680880 2227166 2272640 2689408 2815474 3361760 4454332 5567915 5630948 6723520 7038685 8908664 11135830 11261896 13447040 14077370 17817328 22271660 22523792 28154740 35634656 44543320 45047584 56309480 71269312 74610061 89086640 90095168 112618960 142538624 149220122 178173280 180190336 225237920 298440244 356346560 373050305 450475840 596880488 712693120 746100610 900951680 1193760976 1492201220 2387521952 2984402440 4775043904 5968804880 9550087808 11937609760 23875219520 47750439040