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190101061 = 1929345011
BaseRepresentation
bin10110101010010…
…11011001000101
3111020201010122001
423111023121011
5342131213221
630510305301
74465555333
oct1325133105
9436633561
10190101061
1198341817
12537b8231
13304cc747
141b366b53
1511a51391
hexb54b645

190101061 has 8 divisors (see below), whose sum is σ = 207007200. Its totient is φ = 173885040.

The previous prime is 190101053. The next prime is 190101073. The reversal of 190101061 is 160101091.

190101061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 190101061 - 23 = 190101053 is a prime.

It is a super-2 number, since 2×1901010612 = 72276826786651442, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

190101061 is a strobogrammatic number because it is the same when read upside-down.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190101001) 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, 171955 + ... + 173056.

It is an arithmetic number, because the mean of its divisors is an integer number (25875900).

Almost surely, 2190101061 is an apocalyptic number.

It is an amenable number.

190101061 is a deficient number, since it is larger than the sum of its proper divisors (16906139).

190101061 is a wasteful number, since it uses less digits than its factorization.

190101061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345059.

The product of its (nonzero) digits is 54, while the sum is 19.

The square root of 190101061 is about 13787.7141325167. The cubic root of 190101061 is about 574.9916177732.

The spelling of 190101061 in words is "one hundred ninety million, one hundred one thousand, sixty-one".

Divisors: 1 19 29 551 345011 6555209 10005319 190101061