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190552794454 = 21153031633319
BaseRepresentation
bin1011000101110111010…
…1001110010101010110
3200012211221200220210201
42301131311032111112
511110223003410304
6223312211411114
716524035012461
oct2613565162526
9605757626721
10190552794454
11738a40a2910
1230b1b8b3a9a
1314c7a010119
1493195382d8
154e53dac3a4
hex2c5dd4e556

190552794454 has 16 divisors (see below), whose sum is σ = 311872654080. Its totient is φ = 86598520360.

The previous prime is 190552794449. The next prime is 190552794457. The reversal of 190552794454 is 454497255091.

It is a pancake number, because a pancake can be divided into 190552794454 parts by 617337 straight cuts.

It is a junction number, because it is equal to n+sod(n) for n = 190552794395 and 190552794404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190552794457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 699994 + ... + 933325.

It is an arithmetic number, because the mean of its divisors is an integer number (19492040880).

Almost surely, 2190552794454 is an apocalyptic number.

190552794454 is the 233332-nd nonagonal number.

190552794454 is a deficient number, since it is larger than the sum of its proper divisors (121319859626).

190552794454 is a wasteful number, since it uses less digits than its factorization.

190552794454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1638635.

The product of its (nonzero) digits is 9072000, while the sum is 55.

The spelling of 190552794454 in words is "one hundred ninety billion, five hundred fifty-two million, seven hundred ninety-four thousand, four hundred fifty-four".

Divisors: 1 2 11 22 5303 10606 58333 116666 1633319 3266638 17966509 35933018 8661490657 17322981314 95276397227 190552794454