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1471309467940 = 22513311229148531
BaseRepresentation
bin10101011010010000111…
…000001101000100100100
312012122201002100002200001
4111122100320031010210
5143101220210433230
63043524340031044
7211204264062334
oct25322070150444
95178632302601
101471309467940
11517a84923a74
121b9196692484
13a8989422b10
14512d70c90c4
15284136d10ca
hex15690e0d124

1471309467940 has 96 divisors (see below), whose sum is σ = 3437577077760. Its totient is φ = 525297139200.

The previous prime is 1471309467917. The next prime is 1471309467977. The reversal of 1471309467940 is 497649031741.

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, 9831475 + ... + 9980005.

It is an arithmetic number, because the mean of its divisors is an integer number (35808094560).

Almost surely, 21471309467940 is an apocalyptic number.

1471309467940 is a gapful number since it is divisible by the number (10) 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 1471309467940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1718788538880).

1471309467940 is an abundant number, since it is smaller than the sum of its proper divisors (1966267609820).

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

1471309467940 is a wasteful number, since it uses less digits than its factorization.

1471309467940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149813 (or 149811 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 55.

The spelling of 1471309467940 in words is "one trillion, four hundred seventy-one billion, three hundred nine million, four hundred sixty-seven thousand, nine hundred forty".

Divisors: 1 2 4 5 10 13 20 26 31 52 62 65 124 130 155 260 310 403 620 806 1229 1612 2015 2458 4030 4916 6145 8060 12290 15977 24580 31954 38099 63908 76198 79885 148531 152396 159770 190495 297062 319540 380990 495287 594124 742655 761980 990574 1485310 1930903 1981148 2476435 2970620 3861806 4604461 4952870 7723612 9208922 9654515 9905740 18417844 19309030 23022305 38618060 46044610 59857993 92089220 119715986 182544599 239431972 299289965 365089198 598579930 730178396 912722995 1197159860 1825445990 2373079787 3650891980 4746159574 5658882569 9492319148 11317765138 11865398935 22635530276 23730797870 28294412845 47461595740 56588825690 73565473397 113177651380 147130946794 294261893588 367827366985 735654733970 1471309467940