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141920549540 = 2257111713739569
BaseRepresentation
bin1000010000101100011…
…1111011101010100100
3111120022200112220102122
42010023013323222210
54311123130041130
6145110345525112
713152631524050
oct2041307735244
9446280486378
10141920549540
11552084a5470
1223608aa3798
13104c973c143
146c24724c60
153a5963d2e5
hex210b1fbaa4

141920549540 has 192 divisors, whose sum is σ = 396312860160. Its totient is φ = 41327984640.

The previous prime is 141920549521. The next prime is 141920549597. The reversal of 141920549540 is 45945029141.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 141920549491 and 141920549500.

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, 3566876 + ... + 3606444.

It is an arithmetic number, because the mean of its divisors is an integer number (2064129480).

Almost surely, 2141920549540 is an apocalyptic number.

141920549540 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 141920549540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198156430080).

141920549540 is an abundant number, since it is smaller than the sum of its proper divisors (254392310620).

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

141920549540 is a wasteful number, since it uses less digits than its factorization.

141920549540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39750 (or 39748 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 44.

The spelling of 141920549540 in words is "one hundred forty-one billion, nine hundred twenty million, five hundred forty-nine thousand, five hundred forty".