Search a number
-
+
212021010999998 = 2821919140504501
BaseRepresentation
bin110000001101010011111101…
…000010111010101010111110
31000210201000021210121112212222
4300031103331002322222332
5210242223012303444443
62030533035142125342
762442004206021014
oct6015237502725276
91023630253545788
10212021010999998
1161613673373462
121b943113720852
13913c659945335
143a4dc2bc9a8b4
15197a246881468
hexc0d4fd0baabe

212021010999998 has 16 divisors (see below), whose sum is σ = 318765373777440. Its totient is φ = 105766167420000.

The previous prime is 212021010999947. The next prime is 212021011000013. The reversal of 212021010999998 is 899999010120212.

It is a super-2 number, since 2×2120210109999982 (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 212021010999998.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68743253 + ... + 71761248.

It is an arithmetic number, because the mean of its divisors is an integer number (19922835861090).

Almost surely, 2212021010999998 is an apocalyptic number.

212021010999998 is a deficient number, since it is larger than the sum of its proper divisors (106744362777442).

212021010999998 is a wasteful number, since it uses less digits than its factorization.

212021010999998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140506243.

The product of its (nonzero) digits is 3779136, while the sum is 62.

The spelling of 212021010999998 in words is "two hundred twelve trillion, twenty-one billion, ten million, nine hundred ninety-nine thousand, nine hundred ninety-eight".

Divisors: 1 2 821 919 1642 1838 754499 1508998 140504501 281009002 115354195321 129123636419 230708390642 258247272838 106010505499999 212021010999998