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19234190037420 = 22325544319631933
BaseRepresentation
bin1000101111110010011110…
…00100001001000110101100
32112002202210202220121211100
410113321033010021012230
510010113110122144140
6104524022004523100
74023424105524141
oct427711704110654
975082722817740
1019234190037420
1161461a0929516
1221a786b3b0490
13a96a127ca647
144a6d22a023c8
152354d3480530
hex117e4f1091ac

19234190037420 has 72 divisors (see below), whose sum is σ = 58354431788016. Its totient is φ = 5128174749312.

The previous prime is 19234190037287. The next prime is 19234190037427. The reversal of 19234190037420 is 2473009143291.

19234190037420 is a `hidden beast` number, since 1 + 9 + 2 + 3 + 4 + 190 + 0 + 37 + 420 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (19234190037427) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8836227 + ... + 10795706.

It is an arithmetic number, because the mean of its divisors is an integer number (810478219278).

Almost surely, 219234190037420 is an apocalyptic number.

19234190037420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19234190037420 is an abundant number, since it is smaller than the sum of its proper divisors (39120241750596).

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

19234190037420 is a wasteful number, since it uses less digits than its factorization.

19234190037420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19637391 (or 19637386 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The spelling of 19234190037420 in words is "nineteen trillion, two hundred thirty-four billion, one hundred ninety million, thirty-seven thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 5443 10886 16329 21772 27215 32658 48987 54430 65316 81645 97974 108860 163290 195948 244935 326580 489870 979740 19631933 39263866 58895799 78527732 98159665 117791598 176687397 196319330 235583196 294478995 353374794 392638660 588957990 706749588 883436985 1177915980 1766873970 3533747940 106856611319 213713222638 320569833957 427426445276 534283056595 641139667914 961709501871 1068566113190 1282279335828 1602849169785 1923419003742 2137132226380 3205698339570 3846838007484 4808547509355 6411396679140 9617095018710 19234190037420