Search a number
-
+
61001121452 = 2217985197097
BaseRepresentation
bin111000110011111100…
…110011111010101100
312211110021101001012112
4320303330303322230
51444412241341302
644005025423152
74256443656065
oct706374637254
9184407331175
1061001121452
11239635a7467
12b9a519aab8
1359a1c9a94b
142d4981356c
1518c05a6552
hexe33f33eac

61001121452 has 12 divisors (see below), whose sum is σ = 107348343480. Its totient is φ = 30330166176.

The previous prime is 61001121427. The next prime is 61001121497. The reversal of 61001121452 is 25412110016.

It is a super-2 number, since 2×610011214522 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42597833 + ... + 42599264.

It is an arithmetic number, because the mean of its divisors is an integer number (8945695290).

Almost surely, 261001121452 is an apocalyptic number.

It is an amenable number.

61001121452 is a deficient number, since it is larger than the sum of its proper divisors (46347222028).

61001121452 is a wasteful number, since it uses less digits than its factorization.

61001121452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85197280 (or 85197278 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 23.

Adding to 61001121452 its reverse (25412110016), we get a palindrome (86413231468).

The spelling of 61001121452 in words is "sixty-one billion, one million, one hundred twenty-one thousand, four hundred fifty-two".

Divisors: 1 2 4 179 358 716 85197097 170394194 340788388 15250280363 30500560726 61001121452