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461620676076540 = 2235193977523135581
BaseRepresentation
bin110100011110101110111000…
…0011010110010001111111100
32020112110111122121121121222220
41220331131300122302033330
5441001143121033422130
64313441335550205340
7166142664454263501
oct15075356032621774
92215414577547886
10461620676076540
111240a5258245552
124393521a4b3850
1316a768487b1096
1481dc7ba6614a8
153857c2e57a410
hex1a3d7706b23fc

461620676076540 has 192 divisors, whose sum is σ = 1364184693527040. Its totient is φ = 116309886612480.

The previous prime is 461620676076529. The next prime is 461620676076551. The reversal of 461620676076540 is 45670676026164.

It is an interprime number because it is at equal distance from previous prime (461620676076529) and next prime (461620676076551).

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3404691550 + ... + 3404827130.

It is an arithmetic number, because the mean of its divisors is an integer number (7105128612120).

Almost surely, 2461620676076540 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 461620676076540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (682092346763520).

461620676076540 is an abundant number, since it is smaller than the sum of its proper divisors (902564017450500).

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

461620676076540 is a wasteful number, since it uses less digits than its factorization.

461620676076540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143532 (or 143530 counting only the distinct ones).

The product of its (nonzero) digits is 60963840, while the sum is 60.

The spelling of 461620676076540 in words is "four hundred sixty-one trillion, six hundred twenty billion, six hundred seventy-six million, seventy-six thousand, five hundred forty".