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1022201312240 = 245293401310867
BaseRepresentation
bin11101101111111111111…
…00100011001111110000
310121201110222002221102202
432313333330203033300
5113221432013442430
62101332013402332
7133565046535613
oct16677774431760
93551428087382
101022201312240
11364570aa0429
121461391993a8
1375515a441a4
1437690c2c17a
151b8ca8acd45
hexedfff233f0

1022201312240 has 80 divisors (see below), whose sum is σ = 2385543127968. Its totient is φ = 407345998848.

The previous prime is 1022201312179. The next prime is 1022201312287. The reversal of 1022201312240 is 422131022201.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94059287 + ... + 94070153.

Almost surely, 21022201312240 is an apocalyptic number.

1022201312240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1022201312240 is an abundant number, since it is smaller than the sum of its proper divisors (1363341815728).

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

1022201312240 is a wasteful number, since it uses less digits than its factorization.

1022201312240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15186 (or 15180 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 1022201312240 its reverse (422131022201), we get a palindrome (1444332334441).

The spelling of 1022201312240 in words is "one trillion, twenty-two billion, two hundred one million, three hundred twelve thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 293 586 1172 1465 2344 2930 4013 4688 5860 8026 10867 11720 16052 20065 21734 23440 32104 40130 43468 54335 64208 80260 86936 108670 160520 173872 217340 321040 434680 869360 1175809 2351618 3184031 4703236 5879045 6368062 9406472 11758090 12736124 15920155 18812944 23516180 25472248 31840310 43609271 47032360 50944496 63680620 87218542 94064720 127361240 174437084 218046355 254722480 348874168 436092710 697748336 872185420 1744370840 3488741680 12777516403 25555032806 51110065612 63887582015 102220131224 127775164030 204440262448 255550328060 511100656120 1022201312240