Search a number
-
+
151995073469 = 194337821493
BaseRepresentation
bin1000110110001110011…
…1001100001110111101
3112112022210112202011112
42031203213030032331
54442241214322334
6153454153531405
713660402543661
oct2154347141675
9475283482145
10151995073469
11595082903a8
122555aa13b65
13114439c02c5
1474dc7268a1
153e48d1c4ce
hex23639cc3bd

151995073469 has 4 divisors (see below), whose sum is σ = 152002914396. Its totient is φ = 151987232544.

The previous prime is 151995073453. The next prime is 151995073487. The reversal of 151995073469 is 964370599151.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3644536900 + 148350536569 = 60370^2 + 385163^2 .

It is a cyclic number.

It is not a de Polignac number, because 151995073469 - 24 = 151995073453 is a prime.

It is a super-2 number, since 2×1519950734692 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151995073669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3891314 + ... + 3930179.

It is an arithmetic number, because the mean of its divisors is an integer number (38000728599).

Almost surely, 2151995073469 is an apocalyptic number.

It is an amenable number.

151995073469 is a deficient number, since it is larger than the sum of its proper divisors (7840927).

151995073469 is an equidigital number, since it uses as much as digits as its factorization.

151995073469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7840926.

The product of its (nonzero) digits is 9185400, while the sum is 59.

The spelling of 151995073469 in words is "one hundred fifty-one billion, nine hundred ninety-five million, seventy-three thousand, four hundred sixty-nine".

Divisors: 1 19433 7821493 151995073469