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48261640380 = 22354145742929
BaseRepresentation
bin101100111100100111…
…100011000010111100
311121120102210100112020
4230330213203002330
51242314434443010
634100542240140
73325653113622
oct547447430274
9147512710466
1048261640380
111951648a808
12942a886050
134721882475
14249b901512
1513c6e65470
hexb3c9e30bc

48261640380 has 96 divisors (see below), whose sum is σ = 138734648640. Its totient is φ = 12528107520.

The previous prime is 48261640373. The next prime is 48261640451. The reversal of 48261640380 is 8304616284.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1102756 + ... + 1145684.

It is an arithmetic number, because the mean of its divisors is an integer number (1445152590).

Almost surely, 248261640380 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 48261640380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69367324320).

48261640380 is an abundant number, since it is smaller than the sum of its proper divisors (90473008260).

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

48261640380 is a wasteful number, since it uses less digits than its factorization.

48261640380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43439 (or 43437 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 42.

The spelling of 48261640380 in words is "forty-eight billion, two hundred sixty-one million, six hundred forty thousand, three hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 41 60 82 123 164 205 246 410 457 492 615 820 914 1230 1371 1828 2285 2460 2742 4570 5484 6855 9140 13710 18737 27420 37474 42929 56211 74948 85858 93685 112422 128787 171716 187370 214645 224844 257574 281055 374740 429290 515148 562110 643935 858580 1124220 1287870 1760089 2575740 3520178 5280267 7040356 8800445 10560534 17600890 19618553 21121068 26401335 35201780 39237106 52802670 58855659 78474212 98092765 105605340 117711318 196185530 235422636 294278295 392371060 588556590 804360673 1177113180 1608721346 2413082019 3217442692 4021803365 4826164038 8043606730 9652328076 12065410095 16087213460 24130820190 48261640380