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19252351340 = 22537101257591
BaseRepresentation
bin10001111011100001…
…111001000101101100
31211200201200210002122
4101323201321011230
5303412100220330
612502220412112
71251043200125
oct217341710554
954621623078
1019252351340
11818a4a5572
1238936a7038
131a7a824491
14d08ca704c
1577a2d55e5
hex47b87916c

19252351340 has 48 divisors (see below), whose sum is σ = 41933916864. Its totient is φ = 7418592000.

The previous prime is 19252351291. The next prime is 19252351351. The reversal of 19252351340 is 4315325291.

It is a self number, because there is not a number n which added to its sum of digits gives 19252351340.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54056 + ... + 203535.

It is an arithmetic number, because the mean of its divisors is an integer number (873623268).

Almost surely, 219252351340 is an apocalyptic number.

19252351340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19252351340 is an abundant number, since it is smaller than the sum of its proper divisors (22681565524).

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

19252351340 is a wasteful number, since it uses less digits than its factorization.

19252351340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257738 (or 257736 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 35.

The spelling of 19252351340 in words is "nineteen billion, two hundred fifty-two million, three hundred fifty-one thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 37 74 101 148 185 202 370 404 505 740 1010 2020 3737 7474 14948 18685 37370 74740 257591 515182 1030364 1287955 2575910 5151820 9530867 19061734 26016691 38123468 47654335 52033382 95308670 104066764 130083455 190617340 260166910 520333820 962617567 1925235134 3850470268 4813087835 9626175670 19252351340