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1267130052 = 2232163215939
BaseRepresentation
bin100101110000110…
…1101111011000100
310021022022212122200
41023201231323010
510043341130202
6325422554500
743254266466
oct11341557304
93238285580
101267130052
115a0297621
122b4438a30
131726998c6
14c0406136
157639ae1c
hex4b86dec4

1267130052 has 36 divisors (see below), whose sum is σ = 3222688560. Its totient is φ = 419783472.

The previous prime is 1267130047. The next prime is 1267130057. The reversal of 1267130052 is 2500317621.

It is a happy number.

1267130052 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1267130047) and next prime (1267130057).

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 1267129998 and 1267130025.

It is not an unprimeable number, because it can be changed into a prime (1267130057) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102102 + ... + 113837.

Almost surely, 21267130052 is an apocalyptic number.

1267130052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1267130052 is an abundant number, since it is smaller than the sum of its proper divisors (1955558508).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1267130052 is a wasteful number, since it uses less digits than its factorization.

1267130052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216112 (or 216107 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 1267130052 is about 35596.7702467513. The cubic root of 1267130052 is about 1082.1157803449.

Adding to 1267130052 its reverse (2500317621), we get a palindrome (3767447673).

The spelling of 1267130052 in words is "one billion, two hundred sixty-seven million, one hundred thirty thousand, fifty-two".

Divisors: 1 2 3 4 6 9 12 18 36 163 326 489 652 978 1467 1956 2934 5868 215939 431878 647817 863756 1295634 1943451 2591268 3886902 7773804 35198057 70396114 105594171 140792228 211188342 316782513 422376684 633565026 1267130052