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1542212133 = 3721137149173
BaseRepresentation
bin101101111101100…
…0100101000100101
310222110221111022220
41123323010220211
511124301242013
6413010542553
753134405200
oct13373045045
93873844286
101542212133
117215a1890
12370597a59
131b7681977
14108b70937
15905d6b23
hex5bec4a25

1542212133 has 96 divisors (see below), whose sum is σ = 2713564800. Its totient is φ = 769789440.

The previous prime is 1542212107. The next prime is 1542212153. The reversal of 1542212133 is 3312122451.

It is not a de Polignac number, because 1542212133 - 220 = 1541163557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1542212153) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 8914435 + ... + 8914607.

It is an arithmetic number, because the mean of its divisors is an integer number (28266300).

Almost surely, 21542212133 is an apocalyptic number.

It is an amenable number.

1542212133 is a deficient number, since it is larger than the sum of its proper divisors (1171352667).

1542212133 is a wasteful number, since it uses less digits than its factorization.

1542212133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387 (or 380 counting only the distinct ones).

The product of its digits is 1440, while the sum is 24.

The square root of 1542212133 is about 39271.0088105717. The cubic root of 1542212133 is about 1155.3530234013.

Adding to 1542212133 its reverse (3312122451), we get a palindrome (4854334584).

The spelling of 1542212133 in words is "one billion, five hundred forty-two million, two hundred twelve thousand, one hundred thirty-three".

Divisors: 1 3 7 11 21 33 37 49 77 111 147 149 173 231 259 407 447 519 539 777 1043 1211 1221 1617 1639 1813 1903 2849 3129 3633 4917 5439 5513 5709 6401 7301 8477 8547 11473 13321 16539 19203 19943 21903 25431 25777 34419 38591 39963 44807 59829 60643 70411 77331 80311 93247 115773 134421 180439 181929 211233 240933 270137 279741 283547 313649 424501 492877 541317 810411 850641 940947 953749 1263073 1273503 1478631 1984829 2861247 2971507 3450139 3789219 5954487 6676243 8914521 10350417 10491239 13893803 20028729 31473717 41681409 46733701 73438673 140201103 220316019 514070711 1542212133