Search a number
-
+
38430232212441 = 397174197581529
BaseRepresentation
bin10001011110011101111000…
…10101101111001111011001
312001001220010221220001022010
420233032330111233033121
520014120103421244231
6213422334400420133
711044330660024506
oct1057167425571731
9161056127801263
1038430232212441
1111277196234323
124388053017649
131859c55b8bb34
1496c0670024ad
154699d2830546
hex22f3bc56f3d9

38430232212441 has 16 divisors (see below), whose sum is σ = 51771539019200. Its totient is φ = 25354570503168.

The previous prime is 38430232212389. The next prime is 38430232212587. The reversal of 38430232212441 is 14421223203483.

It is not a de Polignac number, because 38430232212441 - 26 = 38430232212377 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38430232212441.

It is not an unprimeable number, because it can be changed into a prime (38430232212341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1278165 + ... + 8859693.

It is an arithmetic number, because the mean of its divisors is an integer number (3235721188700).

Almost surely, 238430232212441 is an apocalyptic number.

It is an amenable number.

38430232212441 is a deficient number, since it is larger than the sum of its proper divisors (13341306806759).

38430232212441 is a wasteful number, since it uses less digits than its factorization.

38430232212441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7599048.

The product of its (nonzero) digits is 221184, while the sum is 39.

The spelling of 38430232212441 in words is "thirty-eight trillion, four hundred thirty billion, two hundred thirty-two million, two hundred twelve thousand, four hundred forty-one".

Divisors: 1 3 97 291 17419 52257 1689643 5068929 7581529 22744587 735408313 2206224939 132062653651 396187960953 12810077404147 38430232212441