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90952317780 = 223517293074791
BaseRepresentation
bin101010010110100101…
…1100011101101010100
322200202121211110112020
41110231023203231110
52442232243132110
6105441035453140
76366611642142
oct1245513435524
9280677743466
1090952317780
1135633237585
12157638b71b0
13876620601c
14458b596592
152574c8ed70
hex152d2e3b54

90952317780 has 96 divisors (see below), whose sum is σ = 278945130240. Its totient is φ = 22040094720.

The previous prime is 90952317779. The next prime is 90952317821. The reversal of 90952317780 is 8771325909.

It is a Harshad number since it is a multiple of its sum of digits (51).

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, 1507816 + ... + 1566975.

It is an arithmetic number, because the mean of its divisors is an integer number (2905678440).

Almost surely, 290952317780 is an apocalyptic number.

It is an amenable number.

90952317780 is an abundant number, since it is smaller than the sum of its proper divisors (187992812460).

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

90952317780 is a wasteful number, since it uses less digits than its factorization.

90952317780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3074849 (or 3074847 counting only the distinct ones).

The product of its (nonzero) digits is 952560, while the sum is 51.

The spelling of 90952317780 in words is "ninety billion, nine hundred fifty-two million, three hundred seventeen thousand, seven hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 17 20 29 30 34 51 58 60 68 85 87 102 116 145 170 174 204 255 290 340 348 435 493 510 580 870 986 1020 1479 1740 1972 2465 2958 4930 5916 7395 9860 14790 29580 3074791 6149582 9224373 12299164 15373955 18448746 30747910 36897492 46121865 52271447 61495820 89168939 92243730 104542894 156814341 178337878 184487460 209085788 261357235 267506817 313628682 356675756 445844695 522714470 535013634 627257364 784071705 891689390 1045428940 1070027268 1337534085 1515871963 1568143410 1783378780 2675068170 3031743926 3136286820 4547615889 5350136340 6063487852 7579359815 9095231778 15158719630 18190463556 22738079445 30317439260 45476158890 90952317780