Search a number
-
+
1201966485 = 35479531789
BaseRepresentation
bin100011110100100…
…1000110110010101
310002202201020001020
41013221020312111
54430200411420
6315134151353
741533355316
oct10751106625
93082636036
101201966485
1156752a235
12296652559
13162032595
14b58c260d
15707c8340
hex47a48d95

1201966485 has 32 divisors (see below), whose sum is σ = 1967224320. Its totient is φ = 626400768.

The previous prime is 1201966483. The next prime is 1201966517. The reversal of 1201966485 is 5846691021.

It is not a de Polignac number, because 1201966485 - 21 = 1201966483 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201966483) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 670971 + ... + 672759.

It is an arithmetic number, because the mean of its divisors is an integer number (61475760).

Almost surely, 21201966485 is an apocalyptic number.

1201966485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1201966485 is a deficient number, since it is larger than the sum of its proper divisors (765257835).

1201966485 is a wasteful number, since it uses less digits than its factorization.

1201966485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2797.

The product of its (nonzero) digits is 103680, while the sum is 42.

The square root of 1201966485 is about 34669.3882986129. The cubic root of 1201966485 is about 1063.2387252058.

The spelling of 1201966485 in words is "one billion, two hundred one million, nine hundred sixty-six thousand, four hundred eighty-five".

Divisors: 1 3 5 15 47 141 235 705 953 1789 2859 4765 5367 8945 14295 26835 44791 84083 134373 223955 252249 420415 671865 1261245 1704917 5114751 8524585 25573755 80131099 240393297 400655495 1201966485