Search a number
-
+
20860448103604 = 2229375003971479
BaseRepresentation
bin1001011111000111100111…
…00110010101110010110100
32201212020110111101001222101
410233203303212111302310
510213234144203303404
6112211054011111444
74252055231152054
oct457436346256264
981766414331871
1020860448103604
11671295913a74a
12240aa89a42584
13b841937a2045
1452191879d564
15262964de22a4
hex12f8f3995cb4

20860448103604 has 48 divisors (see below), whose sum is σ = 38793061641600. Its totient is φ = 9796415239296.

The previous prime is 20860448103581. The next prime is 20860448103631. The reversal of 20860448103604 is 40630184406802.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20987137 + ... + 21958615.

It is an arithmetic number, because the mean of its divisors is an integer number (808188784200).

Almost surely, 220860448103604 is an apocalyptic number.

It is an amenable number.

20860448103604 is a deficient number, since it is larger than the sum of its proper divisors (17932613537996).

20860448103604 is a wasteful number, since it uses less digits than its factorization.

20860448103604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 976552 (or 976550 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 46.

The spelling of 20860448103604 in words is "twenty trillion, eight hundred sixty billion, four hundred forty-eight million, one hundred three thousand, six hundred four".

Divisors: 1 2 4 29 37 58 74 116 148 1073 2146 4292 5003 10006 20012 145087 185111 290174 370222 580348 740444 971479 1942958 3885916 5368219 10736438 21472876 28172891 35944723 56345782 71889446 112691564 143778892 1042396967 2084793934 4169587868 4860309437 9720618874 19441237748 140948973673 179831449169 281897947346 359662898338 563795894692 719325796676 5215112025901 10430224051802 20860448103604