Search a number
-
+
83948029473 = 37112964319489
BaseRepresentation
bin100111000101110110…
…0010100011000100001
322000200111000202021210
41032023230110120201
52333411143420343
6102322025340333
76031211322420
oct1161354243041
9260614022253
1083948029473
1132669524060
121432a0376a9
137bbb05b229
1440c52412b7
1522b4dca333
hex138bb14621

83948029473 has 64 divisors (see below), whose sum is σ = 144593971200. Its totient is φ = 42037954560.

The previous prime is 83948029469. The next prime is 83948029483. The reversal of 83948029473 is 37492084938.

It is not a de Polignac number, because 83948029473 - 22 = 83948029469 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83948029483) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4297713 + ... + 4317201.

It is an arithmetic number, because the mean of its divisors is an integer number (2259280800).

Almost surely, 283948029473 is an apocalyptic number.

It is an amenable number.

83948029473 is a deficient number, since it is larger than the sum of its proper divisors (60645941727).

83948029473 is a wasteful number, since it uses less digits than its factorization.

83948029473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20182.

The product of its (nonzero) digits is 10450944, while the sum is 57.

The spelling of 83948029473 in words is "eighty-three billion, nine hundred forty-eight million, twenty-nine thousand, four hundred seventy-three".

Divisors: 1 3 7 11 21 29 33 77 87 203 231 319 609 643 957 1929 2233 4501 6699 7073 13503 18647 19489 21219 49511 55941 58467 130529 136423 148533 205117 214379 391587 409269 565181 615351 643137 1435819 1500653 1695543 3956267 4307457 4501959 6216991 11868801 12531427 18650973 37594281 43518937 87719989 130556811 137845697 263159967 363411383 413537091 964919879 1090234149 2543879681 2894759637 3997525213 7631639043 11992575639 27982676491 83948029473