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874891823380 = 225257170212417
BaseRepresentation
bin11001011101100111001…
…11011100100100010100
310002122020201022112222221
430232303213130210110
5103313234301322010
61505530400032124
7120131430540301
oct14566347344424
93078221275887
10874891823380
11308048698103
12121687602644
136466aa08473
14304b89200a8
1517b580dbdda
hexcbb39dc914

874891823380 has 24 divisors (see below), whose sum is σ = 1844421761448. Its totient is φ = 348595027968.

The previous prime is 874891823371. The next prime is 874891823431. The reversal of 874891823380 is 83328198478.

It can be written as a sum of positive squares in 4 ways, for example, as 433738153744 + 441153669636 = 658588^2 + 664194^2 .

It is a super-2 number, since 2×8748918233802 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85101069 + ... + 85111348.

It is an arithmetic number, because the mean of its divisors is an integer number (76850906727).

Almost surely, 2874891823380 is an apocalyptic number.

It is an amenable number.

874891823380 is an abundant number, since it is smaller than the sum of its proper divisors (969529938068).

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

874891823380 is a wasteful number, since it uses less digits than its factorization.

874891823380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170212683 (or 170212681 counting only the distinct ones).

The product of its (nonzero) digits is 18579456, while the sum is 61.

The spelling of 874891823380 in words is "eight hundred seventy-four billion, eight hundred ninety-one million, eight hundred twenty-three thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 257 514 1028 1285 2570 5140 170212417 340424834 680849668 851062085 1702124170 3404248340 43744591169 87489182338 174978364676 218722955845 437445911690 874891823380