Search a number
-
+
55779234670 = 2553105243839
BaseRepresentation
bin110011111100101100…
…111001001101101110
312022222100110201012101
4303330230321031232
51403213441002140
641342530325314
74013155446265
oct637454711556
9168870421171
1055779234670
1121723a18655
12a98842983a
13534c190903
1429b20b35dc
1516b6e2099a
hexcfcb3936e

55779234670 has 16 divisors (see below), whose sum is σ = 102297012480. Its totient is φ = 21890718304.

The previous prime is 55779234649. The next prime is 55779234673. The reversal of 55779234670 is 7643297755.

It is a super-2 number, since 2×557792346702 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55779234673) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52621390 + ... + 52622449.

It is an arithmetic number, because the mean of its divisors is an integer number (6393563280).

Almost surely, 255779234670 is an apocalyptic number.

55779234670 is a deficient number, since it is larger than the sum of its proper divisors (46517777810).

55779234670 is a wasteful number, since it uses less digits than its factorization.

55779234670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105243899.

The product of its (nonzero) digits is 11113200, while the sum is 55.

The spelling of 55779234670 in words is "fifty-five billion, seven hundred seventy-nine million, two hundred thirty-four thousand, six hundred seventy".

Divisors: 1 2 5 10 53 106 265 530 105243839 210487678 526219195 1052438390 5577923467 11155846934 27889617335 55779234670