Search a number
-
+
38790040278623 is a prime number
BaseRepresentation
bin10001101000111100000101…
…00100100101011001011111
312002100021212121020122002112
420310132002210211121133
520041014000302403443
6214255522024144235
711112326234104064
oct1064360244453137
9162307777218075
1038790040278623
11113a5844534997
12442592a00807b
131884b67755bca
1498163b314c6b
1547404097cb18
hex23478292565f

38790040278623 has 2 divisors, whose sum is σ = 38790040278624. Its totient is φ = 38790040278622.

The previous prime is 38790040278527. The next prime is 38790040278629. The reversal of 38790040278623 is 32687204009783.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38790040278623 - 230 = 38788966536799 is a prime.

It is a super-2 number, since 2×387900402786232 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38790040278629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19395020139311 + 19395020139312.

It is an arithmetic number, because the mean of its divisors is an integer number (19395020139312).

Almost surely, 238790040278623 is an apocalyptic number.

38790040278623 is a deficient number, since it is larger than the sum of its proper divisors (1).

38790040278623 is an equidigital number, since it uses as much as digits as its factorization.

38790040278623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24385536, while the sum is 59.

The spelling of 38790040278623 in words is "thirty-eight trillion, seven hundred ninety billion, forty million, two hundred seventy-eight thousand, six hundred twenty-three".