Search a number
-
+
30017779251412 = 227504444812853
BaseRepresentation
bin1101101001101000011110…
…00100011011100011010100
310221021200010122111022101011
412310310033010123203110
512413302402442021122
6143501551042142004
76215466360466351
oct664641704334324
9127250118438334
1030017779251412
119623517909867
123449791651904
1313998839cc464
1475ac22753628
15370c70aca377
hex1b4d0f11b8d4

30017779251412 has 6 divisors (see below), whose sum is σ = 52531113689978. Its totient is φ = 15008889625704.

The previous prime is 30017779251401. The next prime is 30017779251433. The reversal of 30017779251412 is 21415297771003.

It can be written as a sum of positive squares in only one way, i.e., 25574604293956 + 4443174957456 = 5057134^2 + 2107884^2 .

It is a super-2 number, since 2×300177792514122 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3752222406423 + ... + 3752222406430.

Almost surely, 230017779251412 is an apocalyptic number.

It is an amenable number.

30017779251412 is a deficient number, since it is larger than the sum of its proper divisors (22513334438566).

30017779251412 is a wasteful number, since it uses less digits than its factorization.

30017779251412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7504444812857 (or 7504444812855 counting only the distinct ones).

The product of its (nonzero) digits is 740880, while the sum is 49.

The spelling of 30017779251412 in words is "thirty trillion, seventeen billion, seven hundred seventy-nine million, two hundred fifty-one thousand, four hundred twelve".

Divisors: 1 2 4 7504444812853 15008889625706 30017779251412